In Problems 5-8, write each composite function in the form \( y=f(u) \) and \( u=g(x) \). 5. \( y=\left(3 x^{2}-x+5\right)^{4} \)
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The expression inside the parentheses is \( 3x^2 - x + 5 \). So, let \( u = g(x) = 3x^2 - x + 5 \). Show more…
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