Question

F(x)= x² – 2x +5For f(-3)

Answer 1

For the function given, the input is now 3, which means

`\begin{gathered} f(x)=x^2-2x+5 \\ f(-3)=-3^2-2(-3)+5 \\ f(-3)=9+6+5 \\ f(-3)=20 \end{gathered}`

Therefore, the function f(-3) = 20