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Mathematics for IGCSE & O level - Functions (Section 1 - No. 14)
Given f(x) = 3x - 5 and g(x) = x + 2, then find f(g(x))
3x+1
3x-3
3x-10
x+3
Forklaring
f(g(x))=f(x+2) = 3(x+2)-5 = 3x+6-5 = 3x+1
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