f(x) = 2x – 7, g(x) = x + 5, maka (gof)(x) =
f(x) = 2x – 7, g(x) = x + 5, maka (gof)(x) = ….
Pembahasan:
(gof)(x) = g(f(x))
= g(2x – 7)
= (2x – 7) + 5
(gof)(x) = 2x – 2
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