Mathematics for IGCSE & O level - Functions (Section 3 - No. 25) | ExamPlay

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Mathematics for IGCSE & O level - Functions (Section 3 - No. 25)

If f(x) = x + 4e, what is f(-e)?

5e

3e

-3e

-5e

Wyjaśnienie

Substitute x = -e into the equation.

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