Question

Find the value for the function.Find f(4) when f(x) = x2 + 5x + 3.

Answer 1

We are told to find f(4) when

`f(x)=x^2+5x+3`

This becomes

`\begin{gathered} f(4)=4^2+5(4)+3 \\ f(4)=16+20+3 \\ f(4)=39 \end{gathered}`

Therefore, the answer is 39