Question

If f(x) = 9 − 4|x + 1|, find f(−5).

Answer 1

please help

Answer 2

\(\bf f({\color{red}{ x}}) = 9 - 4|x + 1| \qquad \qquad f({\color{red}{ -5}})=9 - 4|{\color{red}{ -5}} + 1|
\)

Answer 3

just plug in x = -5 into the function and remember that the mod sign means take the positive (absolute) value