## Calculus with Applications (10th Edition)

$g(f(5z))=1000z^2-80z+3$
In order to find $g(f(5z))$ let's find $f(5z)$ first: $f(5z) = 5(5z)^2-2(5z)=125z^2-10z$ Then subsitute in $g(x)$ $g(f(5z))=8(125z^2-10z)+3=1000z^2-80z+3$