Question

How to do this problem

Answer 1

to find f(-x) we have to replace x by -x in the function f. In this case we get that

`\begin{gathered} f(-x)=(-x)^2-5\cdot(-x)+2 \\ =x^2+5x+2 \end{gathered}`

therefore we get that

`f(-x)=x^2+5x+2`