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Answer:

f (g(x)) = -6x²+4

Step-by-step explanation:

Given:

f(x) = 3x + 4 and g(x) = –2x²

to find f (g(x)) we take the expression for g(x) and we substitute it into f(x) in place of x

Hence f (g(x))

= 3[g(x)] + 4

= 3[-2x²] + 4

= -6x²+4

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