Question

F ( x ) = 3 x 2 − x f ( − 4 ) =

Answer 1

Explanation:

`f(x) = {3x}^(2) - x \\`

`f( - 4)`

`f( - 4) = 3( - 4) {}^(2) - ( - 4) \\`

`f( - 4) = 3 * (16) + 4 \\`

`f( - 4) = 48 + 4 = 52`