Question

Given f(x) = -x² + 2x - 1, find f(2).

Answer 1

f(2)=-1

Explanation:

In order to find out f(2) you only have to replace the given value (2) where x appears in the function and solving it, as you can see as follows:

`f(x)=-x^2+2x-1`

`f(2)=-(2^2)+2(2)-1`

`f(2)=-4+4-1`

`f(2)=-1`