Question

f(x) = x-3

g(x) = square root x+5

what does (g o f ) (2) = ??

Answer 1

find
\[f(2)\] the find
\[g(f(2))\]

Answer 2

\[f(2)=2-3=-1\]
\[g(-1)=\sqrt{-1+5}=\sqrt{4}=2\] fini