Mathematics for IGCSE & O level - Functions (Section 4 - No. 3) | ExamPlay

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Mathematics for IGCSE & O level - Functions (Section 4 - No. 3)

Given the function f: x -> 2x - 3, what is f(5)?

2

7

10

13

Wyjaśnienie

Substitute x=5 in the function: f(5) = 2(5) - 3 = 7

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