Question

5.
Evaluate f(x) = -2x2 -4 for x = 3.
O -10
O -18
10
-22

Answer 1

9514 1404 393

Answer:

-22

Explanation:

Put the value of x where x is and do the arithmetic.

f(3) = -2(3)^2 -4 = -2·9 -4 = -18 -4

f(3) = -22