Question

F(x)=-x^2+x
f(x)=−x
Find f(−1)

Answer 1

Step 1: Set x to -1 in the first equation

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

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

`f(-1) = -(1) - 1`

`f(-1) = -1 - 1`

`f(-1) = -2`

Step 2: Set x to -1 in the second equation

`f(x) = -x`

`f(-1) = -(-1)`

`f(-1) = 1`