Question 1115771
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Let f(x) = &#8730;(x+5) and g(x) = x ^2 – 1. Find (f °g)(x) and (g °f)(x).<br>
{{{f(g(x)) = f(x^2-1) = sqrt((x^2-1)+5) = sqrt(x^2+4)}}}<br>
{{{g(f(x)) = g(sqrt(x+5)) = (sqrt(x+5))^2-1 = x+5-1 = x+4}}}