Question

Dada f(x) raiz x, calcule f(4), f(x2) y f(a2 h2)

Answer 1

$f(x)= \sqrt{x}$
$f( x^{2} )= \sqrt{ x^{2} } =x$
$f(4)= \sqrt{4}=2$
$f(a^{2}h^{2} )= \sqrt{a^{2}h^{2} } =\sqrt{a^{2}} \sqrt{h^{2} }=ah$