Question

Let f(x)=3x - 4. Write a function gwhose graph is a reflection in the y-axis of the graphof f.

Answer 1

A reflection in the y-axis changes the sign of the input value. So, replace x with -x:

`\begin{gathered} f(x)=3x-4 \\ g(x)=3(-x)-4 \\ g(x)=-3x-4 \end{gathered}`

Graphing you have