Inverse Functions

Are these functions inverses?

• Yes

• No

What is the best description?

• They are both functions, but not inverse functions.

• They are inverse functions.

• They are reflected over y=x, but they are not both functions.

• They are not reflected over y=x, and they are not both functions.

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If the equation of f(x) goes through (1, 4) and (4, 6), what points does f^-1(x) go through?

• (1, 4) and (4, 6)

• (-4, -1) and (-6, -4)

• (-1, -4) and (-4, -6)

• (4, 1) and (6, 4)

Are the following inverses of each other?

• True

• False

Are the following inverses of each other? Use composition of functions. fog(x) and gof(x)

• True

• False

Determine f^-1(2) given the following information about an invertible function, f(x)
f(1) = -3
f(2) = -2
f(-1) = 2
f(3) = -1

• 1

• -1

• 2

• -2

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) = -1

• g(2) = 1

• g(-2) = 1

• g(1) = 2

Are these functions inverses?

• No

• Yes

• No way to tell