Question

F(x)=3x^2 - x + 2 and g (x)=5x^2 - 1. Find f(g(x))
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Answer 1

hello :
f(x)=3x² - x + 2 and g (x)=5x² - 1
f(g(x)) = f (5x²-1) = 3(5x²-1)²-(5x²-1)+2