Question

I really need help on the red outlined question because I keep getting it incorrect thank you!

Answer 1

Given:

$f(x)=7x^2+x-4$

Find-:

Value of

$f(\pi)$

Explanation-:

Given function is:

$\begin{gathered} f(x)=7x^2+x-4 \\ \\ f(\pi)=7(\pi)^2+\pi-4 \\ \\ =7\pi^2+\pi-4 \end{gathered}$