Cambridge IAL Mathematics Practice Questions - Cambridge International A-Level Mathematics (9709) Exam

The function f is defined by f(x) = 2x - 5 for x in R. Find the inverse function f^(-1)(x).

(x + 5)/2 (x - 5)/2 2x + 5 1/(2x - 5)

Correct Answer:

(x + 5)/2

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