Mathematics for IGCSE & O level - Functions (Section 2 - No. 41) | ExamPlay

Mathematics for IGCSE & O level - Functions (Section 2 - No. 41)

Given the function f(x) = 4x + 3, what is the value of f⁻¹(3)?

0

3/4

1

-3/4

Explanation

Firstly, find the inverse function, f⁻¹(x) = (x-3)/4 and substitute x=3

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