Question

For the function f(x) = –x^2+x– 7find f(1)

Answer 1

Given:

$f\mleft(x\mright)=-x^2+x-7$

To find f(1):

Put x=1, we get

$\begin{gathered} f(1)=-(1)^2+1-7 \\ =-1+1-7 \\ =-7 \end{gathered}$

Hence, the value of f(1) is -7.