Answers
Answer:
1: B
2: H
3. C or D (it's hard to tell, especially without an equation)
4. J
5. A
6. G
7. B
Step-by-step explanation:
1:
f(x) - g(x)
(x^2 + 8x) - (3x - 5) Distribute the negative
x^2 + 8x - 3x + 5 Combine like terms
x^2 + 5x + 5
2:
f(g(x))
Plug g(x) into f(x)
(2x - 1)^2 - 3
Immediately we can see that there will be a 4x^2 (because 2x times 2x = 4x^2) so we know the answer will be H because that's the only option with 4x^2
3:
The line starts at -4 on the x axis and goes infinitely to the right so everything greater than (and maybe equal to) -4.
On the y axis, the line starts at 0 and goes infinitely up so everything greater than (and maybe equal to) 0.
4:
To find the inverse of a function:
f(x) -> y
Switch x and y
Solve for y again
x = 3 +5y
x-3 = 5y
(x-3)/5 = y
5:
If option A were inverse functions, h(x) would be
x = 2y + 9
x - 9 = 2y
(x-9)/2 = y
Which could also be written as (1/2)x - 9/2 or (1/2)x - 4.5 but not (1/2)x - 9
6:
As y approaches -1, x approaches 1. Going the other direction,
As y approaches positive infinity, x approaches positive infinity.
7:
The number inside directly affecting the x moves the function left and right (left is positive, right is negative). The number outside moves the function up and down. So (x + 4) moves it left 4 and the +1 moves it up 1.
Related Questions
One weekend, a car wash cleaned 700 cars. The following weekend, there was a 43% increase in the
number of cars washed. How many cars were washed the following weekend
Answers
700 initially and the 43% is 301
Answer: 1001
Step-by-step explanation:
1) you would do 700x43% and that would = 301
2) then you add 301 to 700, 301+700=1001 cars
2 questions please answer
Answers
Answer:
this equation has exactly 1 solution
Step-by-step explanation:
In a month of November, a dance troupe had 150 members
In December there was 20% decrease in the members
In January there was 20% increase from the month before
How many members were there in January?
Answers
Answer:
110 members
Step-by-step explanation:
Good luck!
Answer: 144
Step-by-step explanation:
so you find 20% of 150 which is 30 and because it is a decrease then you would do 150 minus 30 and that is 120. you would now find 20% of 120 and that is 24 so you do 120 plus 24 and that is 144.
What is the intermediate step in the form (x+a)^2=b(x+a)
2
=b as a result of completing the square for the following equation?
x^2+ +52= −20x−3
Answers
Answer:
Step-by-step explanation:
x²+2 ×x×5+5²=-20x+2×x×5-3
(x+5)²=-20+10x-3
(x+5)²=-10x-3
Please help me with my homework
Answers
Answer:
...12 question i dont know (B)(D)i Guess (C)(B)....13 question i dont knowStep-by-step explanation:
Hope it helps!!
Mr. Osmond bought a computer that cost $2,500. How much did he pay for the computer if the sales tax rate was 7 present
Answers
Answer:
$2,675
Step-by-step explanation:
7% of $2,500 is $175. Adding $2,500 and $175 gets you $2,675
Hope this helps, and I’d appreciate brainliest but if not it’s okay!
Answer:
If the sales tax rate was 7%, Mr. Osmond would have bought the $2,500 computer for a total of $2,675.
Step-by-step explanation:
To calculate the total Mr. Osmond paid for his computer, we must find 7% of the computer's cost, $2,500, and then add that figure to $2,500.
To find 7% of $2,500, multiply 2,500 by the decimal form of 7%, .07:
[tex]2500 * .07=175[/tex]Since we know that 7% of $2,500 is $175, we can now add that figure to $2,500:
[tex]2500+175=2675[/tex]
Therefore, we can conclude Mr. Osmond paid a total of $2,675 for the computer.
10 hour - 2 hours 25 minutes -3hours 35 minutes
Answers
Answer:
Step-by-step explanation:
10 hours - 2 hours 25 minutes - 3 hours 35 minutes
Lets just do this
2 hours 25 minutes + 3 hours 35 minutes
25 minutes + 35 minutes = 60 minutes
60 minutes = 1 hour
now we have 2 hours + 3 hours + 1 hour
2 + 3 +1 = 6
now we have 10 hours - 6 hours
10 - 6 is 4
4 hours.
PLSSSSSS HELP PLS
A teacher's age is 6 years greater than 2 times a student's age. A principal's age is 10 years greater than 3 times the student's age. If x represents the student's age in years, which expression represents how many years older the principal is than the teacher?
4x+1
x+4
4x + 5
x + 10
Answers
Answer:
Given ,student's age = x years.
Also ,Teacher's age = 2x + 6
And ,Principal's age = 3x + 10
------------------------------------------
Difference between ages ,
[tex]\bold{(3x + 10) - (2x + 6)} \\\bold{ = > 3x + 10 - 2x - 6} \\ \bold{= > x + 4}[/tex]
therefore ,
second option is the correct answer.
hope helpful ~
An amount of $37,000 is borrowed for 13 years at 6.25% interest, compounded annually. If the loan is paid in full at the end of that period, how much must be paid back
Use the calculator provided and round your answer to the nearest dollar
Answers
Answer: 49583.54 dollars
==============================================================
Work Shown:
P = 37000 is the principal (aka amount loaned out)
r = 0.05 is the interest rate in decimal form
t = 6 is the number of years
n = 1 tells us we are compounding 1 time per year (aka annual compounding)
Those four values are plugged into the formula below and you use a calculator to simplify
A = P*(1+r/n)^(n*t)
A = 37000*(1+0.05/1)^(1*6)
A = 49583.538703125
A = 49583.54 is the full amount to pay back
Side note:
The amount of interest paid is A - P = 49583.54 - 37000 = 12583.54
16 can be written as:
A. 22
B. 44
C. 24
D. 82
E. 28
Answers
[C] [tex]2^4[/tex]
Step-by-step explanation:
I think each answer choice are;
[A] [tex]2^2[/tex]
[B] [tex]4^4[/tex]
[C] [tex]2^4[/tex]
[D] [tex]8^2[/tex]
[E] [tex]2^8[/tex]
Now we have to solve each by multiply:
[A] [tex]2^2[/tex] {2*2 = 4}
[B] [tex]4^4[/tex] {4*4*4*4=256}
[C] [tex]2^4[/tex] {2*2*2*2=16}
[D] [tex]8^2[/tex] {8*8=64}
[E] [tex]2^8[/tex] {2*2*2*2*2*2*2*2=256}
Hence, the correct answer is [C] [tex]2^4[/tex]
[RevyBreeze]
YOU GET BRAINLY BUT YOU MUST EXPLAIN
Answers
Answer:
i would go with D to
Step-by-step explanation:
helppppp meeeee please
Answers
Answer:
B. 7√2
Step-by-step explanation:
One of the trigonometry formulas to find a missing side is:
sin θ = opp/hyp
Substituting those values in with the ones we have, we will get:
sin (45deg) = x/14
√2/2 = x/14
14(√2/2) = x
x = 7√2
Your welcome, and feel free to ask any questions you may have! :D
Answer:
c
Step-by-step explanation:
sorry but im making a guess but im thinking its c or b
c more
A rectangular prism is 3 feet long and 3 feet wide. Its volume is 90 cubic feet. What is the height of the rectangular prism?
Answers
Solution:
We know that:
Volume of rectangular prism = L × B × H = 90 ft³Substitute the length, breadth, and height to find the volume of the rectangular prism.
=> 3 × 3 × H = 90 ft³Now, let's simplify the LHS.
=> 9 × H = 90 ft³Further simplify the equation by dividing 9 both sides.
=> 9 × H/9 = 90 ft/9=> H = 10 ftThus, the height of the rectangular prism is 10 feet.
What is the equation of the line that passes through the point (1,8) and has a slope of 11?
Answers
Step-by-step explanation:
the easiest approach for a given point and slope of the line is the point-slope form
y - y1 = a(x - x1)
with "a" being the slope, and (x1, y1) being a point on the line.
so, we get
y - 8 = 11(x - 1)
if we need the slope-intercept form
y = ax + b
we simplify the point-slope form
y - 8 = 11x - 11
y = 11x - 3
Properties of equilateral triangles…………………….
Answers
Answer:
20.
Step-by-step explanation:
All sides and angles are the same length on equilateral triangles.
All sides will be 20u long and all angles will be 60° each.
Use the graph of the function y = 4x to answer the following questions.
The domain of the function is
✔ negative infinity
to
✔ positive infinity
because an exponent can be any real number.
The range of the function is
to
because 4x is always positive.
Answers
Answer:
the domain of y=4x is all real numbers.
Any number you can think that is not imaginary and certain transcendental numbers fall into the domain of y=4x
In a video game, Sonya scored 70 % fewer points than Trent. Sonya scored 378 points.
How many points did Trent score?
Answers
Answer:
113.4 points.
Explanation:
Use the Percent Equation to solve this answer.
378(100%-70%) = ?
378(30%) = ?
113.4
PLS HELP!!
Take the point (2,-3), translate it 4 units down and 5 units to the right, then reflect it over the x-axis. Where is the point located after these transformations? Show all steps in case you make a mistake
Answers
Answer:
( 7 , 7 )
Step-by-step explanation:
Translation:
( 2 , - 3 ) ------> ( 2 + 5 , - 3 - 4 ) = ( 7 , - 7 )
Reflection:
( 7 , - 7 ) ------> ( 7 , - ( - 7 ) ) = ( 7 , 7 )
1. What percent of 28 is 7 ??
Answers
Answer:
25%
Step-by-step explanation:
You can make an equation of 28x=7. And then multiply the given x value by 100 to get the percent.
Answer:
25 percent
Step-by-step explanation:
hope this helps
Of 300 seventh graders predict how many use of computer 5-10 hours each week
Answers
Answer:
2250 hours of 300 computers used in average(mean) in a week
Step-by-step explanation:
300 * 7.5 hours(average hours) = 2250 hours
how to find mean or average of any amount of numbers ?
Basiccaly just add all numbers and then divide it by the numbers you added
example: The mean of 5-10 hours would be
5 + 10 = 15
15/2 = 7.5
6. You had a coupon for 25% off from your favorite restaurant. You paid $15. How much was the bill before your discount?
Answers
Answer:
18.75
Step-by-step explanation:
got this from calculator so might be wrong
u add 25 percent to 15
Convert.
ounces
1
pound
8
Answers
Answer:
2 ounces
[tex]0.125*16=2[/tex]
Multiply mass by 16 to find.
What is the image point of (-5, -6) after the transformation T3,-1 •R270?
Answers
Answer:
e
Step-by-step explanation:
how can I simplify b x b x b x b
Answers
Answer:
b⁴
Step-by-step explanation:
b x b x b x b
b² x b²
b⁴
The turtle travels 19 inches in one hour. At that rate, how far can the turtle go in 39 hours?
Answers
Answer:
19 inches is 48.26 and 39 hours is 2340 so 2340/48.26=48.427
Step-by-step explanation:
how many ninths are there in 9 2/3
Answers
Answer:
87
Step-by-step explanation:
9 2/3 = 9/9 + 9/9 + 9/9 + 9/9 + 9/9 + 9/9 + 9/9 + 9/9 + 9/9 + 6/9 = 87/9
Answer: 87 ninths
Step-by-step explanation:
See how many 1/9ths fit inside 9 2/3 using division
[tex]9\:\frac{2}{3}\div \frac{1}{9}[/tex] or
[tex]\frac{29}{3}\div \frac{1}{9}[/tex]
[tex]=\frac{29}{3}\times \frac{9}{1}[/tex]
[tex]= \frac{87}{1}[/tex]
[tex]=87[/tex]
Test to see if 1/9 goes into 9 2/3 87 times
87 * 1/9
[tex]= \frac{87}{9}[/tex]
[tex]=\frac{29}{3}[/tex]
29/3 as a mixed fraction is 9 2/3. So therefore, there are 87 ninths in 9 2/3
The ratio 3/8 to 1/2 has a unit rate of 3/16. True or false?
Answers
Answer:
True
…………………………………………
Answer:
Step-by-step explanation:
true
Evaluate the following expressions if a = 2, b = 3, X = 4, and y = 5.
x² - ab/y
A.1/2
B.64
C. 2
D.18
Answers
16-2(3)/5
16-6/5
16-1.2
14.8
Help please! Thank you :)
What is the correct justification for the first step in solving this equation? 3(x - 4) + 1 = 12x
10 points
Addition Property
Division Property
Commutative Property
Distributitive Property
Answers
Step-by-step explanation:
Distributitive Property
For 3(x) - 3(4) + 1 = 12x
The temperature on Sunday was a high of 58 degrees. By the next Sunday, the lowest
temperature was -3 degrees. What was the difference in the Sunday temperatures?
Answers
so we take 58 and -3 and the equation to find differences
is x - y
so x=58
and y=-3
so then we do this
58 - (-3)
so 61 is correct
hope this helps
scav
