Question

if $f(x)=x^2$, $g(x)=5x$, and $h(x)=x+4$, find $hg(-4)$.
enter a number.

question 5 1 pts
if $f(x)=x^2$, and $g(x)=5x$, find $gf(3)$

Explanation:

Step1: Calculate $g(-4)$

$g(-4)=5\times(-4)=-20$

Step2: Calculate $h[g(-4)]$

$h(-20)=-20+4=-16$

Step3: Calculate $f(3)$

$f(3)=3^2=9$

Step4: Calculate $g[f(3)]$

$g(9)=5\times9=45$

Answer:

$h[g(-4)] = -16$
$g[f(3)] = 45$