Answer
a) $g(-1)=2.25$
The point is (-1, 2.25).
b) $x=3$
The point is (3, 66).
Work Step by Step
a) $g(-1)=4^{-1}+2=\frac{1}{4}+2=2.25$
The point is (-1, 2.25).
b) $66=4^x+2$
$64=4^x$
$4^3=4^x$
$x=3$
The point is (3, 66).