Question

anyone know how to do this please picture

Answer 1

interesting, a number line might help.

Answer 2

ok so you want to find the f(x) values

for x=-9, which piece is the function in? (\(\color{green}{green}\), \(\color{cyan}{cyan}\) or \(\color{blue}{blue}\) )

Answer 3

idk thats all it says

Answer 4

\[\large f(x)=\begin{cases}\color{green}{
6x}&\color{green}{\text{if}}&\color{green}{x\leq-7}\\
\color{teal}{0}&\color{teal}{\text{if}}&\color{teal}{-7<x<7}\\
\color{blue}{5x}&\color{blue}{\text{if}}&\color{blue}{x\geq7}\end{cases}\]

Answer 5

\[\text{is}\quad\quad\qquad\color{green}{x\leq-7}\quad?\\
\text{or}\quad\color{teal}{-7<x<7}\quad?\\
\text{or}\quad\qquad\quad\color{blue}{x\geq7}\quad?\]