A function

$gg$

$is$ given $by$

$g$ left parenthesis $x$ right parenthesis equals $x$ squared plus $8g(x)=x2+8.$

Find

$g$ left parenthesis negative $7$ right parenthesisg$(-7),$

$g$ left parenthesis $0$ right parenthesisg$(0),$

$g$ left parenthesis $2$ right parenthesisg$(2),$

$g$ left parenthesis a plus $h$ right parenthesisg$(a+h),$

and

StartFraction $g$ left parenthesis $x$ plus $h$ right parenthesis minus $g$ left parenthesis $x$ right parenthesis Over $h$ EndFractiong$(x+h)-g(x)h.$