Question

Let f(x) = 3x and g(x) = x2 + 1. Find g(f(x))

Answer 1

Set up the composite function and simplify.  Answer: g(3x)  =  9x^2 + 1

Answer 2

Answer:

$g(f(x)) = 3( {x}^{2} + 1) \\ \\ = 3 {x}^{2} + 3$

Step-by-step explanation:

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