Mathematics for IGCSE & O level - Functions (Section 3 - No. 7) | ExamPlay

Mathematics for IGCSE & O level - Functions (Section 3 - No. 7)

If f(x) = x^2 + 3 and x = -1, which of the following represents f(x)?

4

2

1

0

Explanation

Substitute -1 in the place of x

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