Answer:So x=15 does not define a function. Another way of describing the condition above is that x=15 fails the vertical line test - the requirement that any vertical line intersects the graph in at most one point. This fails when x=15 because a vertical line at that point intersects the graph at infinitely many points.
Step-by-step explanation:
No x=15 is not a function.
What is Mathematical function ?
Function is defined as the expression or relation between any given two variables such as x and y and there must be an independent variable and dependent variable.
In other words the function represents the graph between x and y that is for each value of x there exist one value of y but here there is no restriction in values of y that is y can have infinity values.
Therefore, x=15 is not a function.
check and know more about function here :
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The speed of a car is increased at a constant rate. If the speed is increased by 54m/s over a 6 second period what is the acceleration
Answer:
9ms^-2
Step-by-step explanation:
a = dV/dt
a = 54ms^-1/6s
a = 9ms^-2
1. y varies directly as x. x = 3 when y = 12. Find y when x = 12.
Answer:
it's 36
Step-by-step explanation:
if u take 3 times 12 its 36
Select two numbers which have an absolute value that is greater then the absolute value of 4-1/4
Answer:
A.) -5. E.) 6 hope I could help
Help me please
Whats the product
Answer:
(-9)(2)= -18
Step-by-step explanation:
since there are no signs in this expression, we will multiply. always remember, a negative times a positive will always be negative. just multiply 9 and 2 and you get 18. then add a negative sign. -18
what is the answer to 4×3^2-3+5×2
Answer:
43
Step-by-step explanation:
[tex]4 \times {3}^{2} - 3 +5 \times 2 [/tex]
4 x 9 - 3 + 5 x 2
36 - 3 + 10
46 - 3
43
What is the estimate of 1,578
thats the estimate
What is the range of the function f(x) = -1/3|x - 1| - 2?
A. all real numbers
B. all real numbers less than or equal to -2
C. all real numbers less than or equal to 1
D. all real numbers greater than or equal to -2
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# 2/0
You buy a gym membership for $60 and then pay $40 each month. If you have at
most $210 to spend on the membership, how many full months can you use the
gym?
14x - 2> 20x + 10
please help!
Answer:
x < -2
Step-by-step explanation:
So if you want to find x we want to simplify the equation first:
14x - 2 > 20x + 10
We should subtract 10 on both sides first:
14x - 12 > 20x
And then subtract 14x from both sides:
- 12 > 6x
Then we want to divide 6 from both sides:
-2 > x
There ya go:
x is less than -2; x < -2
A box contains ten cards labeled J, K, L, M, N, O, P, Q and S. One card will be randomly chosen what is the probability of choosing a letter form L to Q
Answer:
you would have a 6 out of 9 chance
How many lakhs are there in 1 crore
Answer:
. 1 Crore is equal to 100 Lakhs if wrong sorry
Step-by-step explanation:
Answer:
100 Lakhs is equal to one crore
Hope it helps!
Solve the equation for r. s=7r-33.
Answer: [tex]r=\frac{s+33}{7}[/tex]
Step-by-step explanation:
s = 7r -33. add 33 to both sides +33 -33 =0 ."cancels"
s + 33 = 7r divide both sides by 7 7r/7 7/7 = 1 'cancels' and leaves r
(s + 33) / 7 = r
[tex]r=\frac{s+33}{7}[/tex]
a)
А
3.6 cm
3.2 cm
B В
С
4.5 cm
What is 5:1 as a fraction?
Answer:
5/1
Step-by-step explanation:
Example:
Decimal:
0.051
Fraction:
51/1000
Percentage:
5.1%
I think this is what you want
Solve for x: 2 logz 2x = 6
Answer:
x=3
Step-by-step explanation:
if the equation is 2x=6 then you'd do 6/2 and 2x/2 to cancel out the 2 and get x=3
WILL GIVE BRAINLIEST. Find the linear equations written in standard form. Select all that apply.
x + y = -1
-3x = y
x + 4y = 0
y = 5x – 2
x = 3 - 0.1y
8x - 3y = 20
Answer:
x + y = -1
x + 4y = 0
8x – 3y = 20
Step-by-step explanation:
answer on edge
Answer:
x + y = -1
x + 4y = 0
8x – 3y = 20
Step-by-step explanation:
SOMEONE PLSSS HELPPP
Two similar triangles are shown on the coordinate grid: A coordinate plane is shown. Triangle ABC has vertices A at negative 3 comma 2, B at negative 1 comma 0, and C at negative 2 comma negative 1. Triangle A prime B prime C prime has vertices A prime at 6 comma 4, B prime at 2 comma 0, and C prime at 4 comma negative 2. Which set of transformations has been performed on triangle ABC to form triangle A′B′C′? (4 points) a Dilation by a scale factor of 4 followed by reflection about the x-axis b Dilation by a scale factor of 2 followed by reflection about the x-axis c Dilation by a scale factor of 4 followed by reflection about the y-axis d Dilation by a scale factor of 2 followed by reflection about the y-axis
Answer:
d Dilation by a scale factor of 2 followed by reflection about the y-axis
Step-by-step explanation:
In each case, the transformation is ...
(x, y) ⇒ (-2x, 2y)
So, a dilation by a factor of 2 is involved. That is what multiplies the coordinates by 2. Reflection in the y-axis is what negates the x-coordinate.
The transformations are ...
Dilation by a scale factor of 2 followed by reflection about the y-axis
The sum of two numbers is 82. The larger number is eight less then five times the smaller number. What are the numbers?
Answer:
The smaller Number = 15
The larger number = 67
Step-by-step explanation:
Let
The smaller number = x
The larger number = 5x - 8
The sum = 82
(5x - 8) + x = 82
5x - 8 + x = 82
6x - 8 = 82
Add eight to both sides
6x - 8 + 8 = 82 + 8
6x = 90
Divide both sides by 6
x = 90/6
= 15
Therefore,
The smaller number = x = 15
The larger number = 5x - 8
= 5(15) - 8
= 75 - 8
= 67
write the quadratic function in the two other forms f(x)=2(x+4)(x+2)
Step-by-step explanation:
f(x) = 2(x+4)(x+2)
= 2[x² + 6x + 8]
= 2x² + 12x + 16
Write the equation of the line, in standard form, that has an x-intercept of 2 and is parallel to 2x + y = -5.
Answer:
y = -2x + 2
Step-by-step explanation:
I need the equation of the line, in standard form, that has an x-intercept of 2 and is parallel to 2x + y = -5.
Write the equation of the line, in standard form, that has an x-intercept of 2 and is parallel to 2x + y = -5. Include your work in your final answer.
"parallel"means "same slope".
let's find, first, the slope of the given line: rewrite the equation in standard form,
that is -
y=-2x-0.5
This means the slope of the required line is "-2"
Now, just plugin the numbers into standard equation:
y=slope*x+intercept
you'll end up with
y=-2x+2
What is the effect on the graph of f(x)=1/x when it is transformed to g(x)=1/x+9?
A. The graph of f(x) is shifted 9 units up.
B. The graph of f(x) is shifted 9 units to the right.
C. The graph of f(x) is shifted 9 units to the left.
D. The graph of f(x) is shifted 9 units down.
The effect on the graph of f(x) when it transformed to g(x) is the graph of f(x) is shifted 9 units up.
The correct answer is an option (A)
What is function?"It defines a relation between input and output values.""In function, for each input there is exactly one output."What is graph of a function?"It is a set of points which satisfies given function."
For given question,
We have been given two functions [tex]f(x)=\frac{1}{x}[/tex] and [tex]g(x)=\frac{1}{x}+9[/tex]
We know that if function f(x) is transformed to f(x) + k where k > 0, then it translates upward k units.
The function g(x) is f(x) + 9
This means, the graph of function g(x) is the graph of function f(x) shifted 9 units up.
Therefore, the effect on the graph of f(x) when it transformed to g(x) is the graph of f(x) is shifted 9 units up.
The correct answer is an option (A)
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solve y/3 +1 = 7/15
Answer:
Step-by-step explanation:
y/3 + 1 = 7/15
y/3 = 7/15 - 1
y/3 = -8/15
y = -8/15 × 3
y = -8/5
hope this helps
plz mark as brainliest!!!!!!!!!
Given h(x) = 4x - 5, solve for a when h(x) = 7.
Answer: h(x) = 23
Step-by-step explanation:
Plug x in the equation
h(x) = 4(7) - 5
h(x) = 28 - 5
h(x) = 23
PLEASE HELP ME ASAP!!
Answer:
36 feet
Step-by-step explanation:
Find the average velocity (in m/s) of a cyclist that starts 200 meters North of town and is 1400 meters North of town after cycling for 20 minutes
Answer:
The average speed is 1 meter per second
Step-by-step explanation:
Here, we want to calculate average speed
Mathematically;
Average speed = Total distance/Total time
In this case, the total distance traveled = 1400-200 = 1,200 meters
Total time taken = 20 minutes
Since 60 seconds = 1 minute; 20 minutes is 20 * 60 = 1200 seconds
So average speed = 1200 meters/1200 seconds = 1 meter/second
Find three consecutive ODD integers such that the sum of 7 times the smallest and twice the largest is -91. Name the smallest integer..
Answer:
-11, -9, -7the smallest: 2x+1 = -11Step-by-step explanation:
{z - some integer}
2z+1 - the smallest number
7(2z+1) - seven times the smallest number
2z+1+2=2z+3 - the middle number
2z+3+2 = 2z+5 - the largest number
2(2z+5) - twice the largest number
7(2z+1) + 2(2z+5) - the sum of 7 times the smallest and twice the largest
7(2z+1) + 2(2z+5) = -91
14z + 7 + 4z + 10 = -91
-17 -17
18z = -108
÷18 ÷18
z = -6
2z+1 = 2(-6)+1 = -12 + 1 = -11
2z+3 = 2(-6)+3 = -12 + 3 = -9
2z+5 = 2(-6)+5 = -12 + 5 = -7
There are 3 triangles and 6 circles. What is the simplest ratio of circles to triangles?
Answer:
2:1
Step-by-step explanation:
I NEED HELP PLEASE ASAP - will give brainliest!!!!!!!
28.) A number cannot have a value equal to its square.
Is this true or false? If false, give a counterexample.
Answer:
false 1 is equal to its own square
10 red peppers for $5.50
Answer:1.50
Step-by-step explanation:
Answer:
Step-by-step explanation:
10 red peppers = 5.50
1 red pepper = 10 ÷ 5.50 = 1.81
Answer this: x=6
y=-2
-8x-4y+x
Answer:
-34
Step-by-step explanation:
first do substitution: -8 · 6 + -4 · -2 + 6
next do the multiplication: -48 + 8 + 6
add: -34
hope this helps!!!
Answer:
-34
Steps:
-8x - 4y + x
-8x + x = -7x (combine like terms)
-7x - 4y
-7(6) - 4(-2) (plug in the numbers)
-42 +8=
-34
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