Mathematics for IGCSE & O level - Functions (Section 2 - No. 8)

If f(x) = 2x - 3 and g(x) = x + 1, find g(f(2))

2

3

1

4

Erläuterung

First, find f(2) = 2(2)-3 = 1, so g(1)= 1+1=2

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