Search for Content on Inverse Functions

Which graph represents the functions f(x) and f^-1(x)?

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Which graph represents the functions f(x) and f^-1(x)?

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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)

Which of the following best describes the graph?

• 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.

When finding the inverse of a relation, 1st: replace f(x) with y 2nd: switch the x's and y's What do you do next?

• solve for y

• replace y with f^-1(x)

• solve for x

• find the greatest common factor

Given that f(x) = 3x + 5 and g(x) = 1/3x + 5, find f(g(x)).  Are the two functions inverses of each other?

• x + 20 ; Yes they are inverses

• x + 20 ; No, they are not inverses

• x ; Yes they are inverses

• x ; No, they are not inverses

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

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• -1

• 2

• -2

Find the inverse function

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Find the inverse function

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Find the inverse function

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