Question

Fide f (-7) evaluate the function

Answer 1

Solution:

$f(x) = 4 {x}^{2} - 4x \\ = > f( - 7) = 4( - 7)^{2} - 4( - 7) \\ = 4(49) + 28 \\ = 196 + 28 \\ = 224$

Answer:

The answer is 224.