Question: The function f(x) = x + 9 is one-to-one. a. Find an equation for f (x), the inverse function. b. Verify that your equation is

The function f(x) = x + 9 is one-to-one. a. Find an equation for f (x), the inverse function. b. Verify that your equation is correct by showing that f (f (x)) = x and f (f(x)) =x. a. Select the correct choice below and fill in the answer box(es) to complete your choice. (Simplify your answer. Use integers or fractions for any numbers in the expression.) OA. f ( x ) = for all x OB. f' ( x ) = for x * Oc. f( x ) = for x 2 OD. f ( x ) = for x s
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