Find the Inverse
Are they really inverses?
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Graphs
100

What is the inverse of

f(x)=(2x + 3) /4


2x - 3/2

 

100

f(x) = (x- 5)/10

h(x) = 10x + 5


What is Yes

100

What is the notation for inverse function?

What is

f^-1(x)

 


100

Find 

f(g(x))

g(x)=2x+7 

f(x)=4x

What is 8x+14

100

Which graph has an inverse function?

y= x2        or      y= x

What is y=x

100

What is the inverse of

f(x) = 3x + 1


( x - 1) /3


100

f(x) = 3(x - 9) 

g(x) = 1/3x + 9


What is Yes

100

The graph of a function that passes through the point (-3,4). What point must lie on the graph of the function's inverse?

What is (4,-3)

100

Simplify 

(6x+3)/3

What is 2x 

100

Find the inverse for each relation.

 { (1, -3), (-2, 3), (5, 1), (6, 4) }

What is {(-3,1), (3,-2), (1,5), (4,6)}

100

The inverse of

g(x) = (8 - 5x) /4


g^-1(x) = (4x - 8) /5


100

f(x) = x + 10

g(x) = -x - 10




No

100

The graphs of inverses are reflections across ________

The line y=x
100

The domain of an invertible function is 7<x<50. What does this tell us about the inverse function?

What is range of 7<y<50?

100

What line will the function reflect over to graph the inverse function?

y = x

100

What is the inverse of

g(x) = 1/2(x - 6) 


g^-1(x)= 2x + 6

100

f(x) = (5x - 9)/ 2

g(x) = (8 + 9x)/2


What is No

100

When you take the square root of a number, there are/is always (1, 2 or 3 answers)

2 answers

100

Find 

g (f(3)) = 

g(x) = x^2 + 4

f(x) = -x + 6

  

What is 13

100

Will the function and its inverse always intercept?

No if the lines are parallel to the line of reflection 

100

What is the inverse of

f(x) = x^2 + 4


f^-1(x) = sqrt(x - 4)


100

f(x) = 2x+2 

 

g(x)=2x-2

No

100

How old are Ms. Skelly's kids?

What is false

h(x)=-x+3 and h^-1(x) = -x + 3

100

Find the inverse:  

x

100

If the function has an y-intercept at -4, what do I know about its inverse graph?

the inverse would have a x-intercept at -4. 

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