Diketahui fungsi f(x) = x + 7,

Diketahui fungsi f(x) = x + 7, g(x) = 3x – 2, dan h(x) = x2 + 2x – 3. Tentukan:
a.(h o g o f)(x)
b.(g o h o f)(x)
Jawab:
f(x) = x + 7
g(x) = 3x – 2
h(x) = x2 + 2x – 3

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