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The function f(x) = x + 21 is one-to-one.
a. Find an equation for f1(x), the inverse function.
b. Verify that your equation is correct by showing that f(f(x)) = x and f¯¹ (f(x)) = x.

The Function Fx X 21 Is Onetoone A Find An Equation For F1x The Inverse Function B Verify That Your Equation Is Correct By Showing That Ffx X And F Fx X class=

Sagot :

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Answer:

a. D. f⁻¹(x) = x - 21, for all x

b. f(f ⁻¹(x)) = f(x - 21) = x and f ⁻¹(f(x)) = f ⁻¹(x + 21) = x

Step-by-step explanation:

See attached picture.

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