Question

If f(x) = -1x + 4 then what is f(-2)?

Answer 1

6

Explanation:

`f(x) = -1x + 4\\\\f(-2) =?\\\\f(-2) = -1(-2) +4\\f(-2) = 2+4\\f(-2) = 6`

Answer 2

`\huge \boxed{f(-2)=6}`

Explanation:

`\sf f(x)=-1x+4`

Switching x variable with -2.

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

Evaluating.

`\sf f(-2)=2+4`

`\sf f(-2)=6`