Inverse Functions Easy

If f(x) = 3x-9, what is f ^-1(12)?

• 25

• 9

• 11

• 7

Tags

CCSS.HSF-BF.B.4A

If f and g are inverse functions, and
f(2) = -1     g(1) = -2     f(1) = -2, 
then which of the following MUST be true?

• g(-2) = 0

• g(1) = 1

• g(-2) = -3

• g(-1) = 2

Tags

CCSS.HSF-BF.B.4C

In an inverse function, the _____ and _______ are switched from the original

• f(x) and g(x)

• input and output

• positives and negatives

• slope and intercept

Tags

CCSS.HSF-BF.B.4A

Given f(x) = x+3, find f^-1(-2).

• -1

• 1

• 5

• -5

Tags

CCSS.HSF-BF.B.4A

If the domain of f(x) is x ≥ 4, then the ____ of ____ is  y ≥ 4

• domain, f^-1(x)

• range, f(x)

• range, f^-1(x)

• domain, f(x)

The inverse has been reflected over which line?

• y = x

• y =1

• y = 0

• y = x + 1

Tags

CCSS.HSF-BF.B.4B

Find the inverse of f(x) = 5/11x +10 

• f^-1(x) = 11/5(x - 10)

• f^-1(x) = 5/11x - 22

• f^-1(x) = 11/5x - 10

• None of the above

Tags

CCSS.HSF-BF.B.4A

Find the inverse of f(x) = -2/3x + 1/4

• f^-1(x) = -3/2x + 3/8

• f^-1(x) = 3/2x - 3/8

• f^-1(x) = -3/2x + 8/3

• f^-1(x) = 3/2x + 3/8

Tags

CCSS.HSF-BF.B.4A

What is the inverse of the points (1,3)(2,4)(6,2)

• (2,6)(3,1)(4,2)

• (-3,-1)(-4,-2)(-2,-6)

• (1,3)(2,4)(6,2)

• (-1,-3)(-2,-4)(-6,-2)

Tags

CCSS.HSF-BF.B.4C

Find the inverse 
f(x)= x⁴ - 2

• ∜(x+2)

• (x+2)⁴

• -1+2x⁴

• ∜2x

Tags

CCSS.HSF-BF.B.4A