Question

Diagram below show part of the graph of the function f(x) for the domain

Answer 1

$f(x) = |x + 1| + 1$
$x = - 8 > > y = 8$
$x = - 7 > > y = 7 \\ x = 5 > > y = 7 \\ 1 \leqslant f(x) \leqslant 7$