Given the function f (x) = 0.5 (3) x, what is the value of f-1 (7) ? 1) 0.565 2) 1.140 3) 1.771 4) 2.402

Question

Mathematics

Caroline Johnston

6 August, 06:46

Given the function f (x) = 0.5 (3) x, what is the value of f-1 (7) ? 1) 0.565 2) 1.140 3) 1.771 4) 2.402

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Answers (1)

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Addison Stevenson · Answer 1

Y =.5 (3) x = 1.5x

The inverse is x = 1.5 y which is f^-1 (x)

Then y = x/1.5

f^-1 (7) = 7/1.5 = 14/3 which is not an answer.

Is the problem written correctly.