2 years ago

Given that f(x) = 2x - 4 and g(x) = 2x + 8, determine gf(3)

1 answer:

6 0

$\text{Given that,} ~f(x) = 2x-4~~ \text{and}~~ g(x) = 2x+8\\\\ g(f(3))\\\\=g(2\cdot 3 -4)\\\\=g(2)\\\\=2(2)+8\\\\=4+8\\\\=12$

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