Question

f(x) = |3x + 3| in piecewise form?

Answer 1

\[|x| = \left\{\begin{array}{rcc}
-x & \text{if} & x <0 \\
x& \text{if} & x \geq 0
\end{array}
\right.
\]

now replace \(x\) by \(3x+3\) everywhere you see it, and see what you get

Answer 2

thanks!