Question

fide f(-5) Evaluate the function

Answer 1

Solution:

$f(x) = - 2 {x}^{2} - 10x \\ = > f( - 5) = - 2 {( - 5)}^{2} - 10( - 5) \\ = - 2(25) + 50 \\ = - 50 + 50 \\ = 0$

Answer:

The answer is 0.