Question

If f (x) = 2x^2-3x, evaluate f (-2).

Answer 1

f(-2) = 14

Explanation:

`f (x) = 2x^2-3x\\\\f(-2) = ?`

Substitute ; -2 for x in the given function

`f(-2)= 2(-2)^2-3(-2)`

Simplify

`f(-2)=2(4)-3(-2)\\\\f(-2) = 8 +6\\\\f(-2) =14`

Answer 2

The answer to this question is 14.