Question

If f(x) = 2x2 + 4 and g(x) = x - 6, determine f(-5) - g(-5).

53
-49
55
65
which one is the answer

Answer 1

65

Explanation:

f(x) = 2x² + 4

g(x) = x - 6

f(-5) = 2 * (-5)² + 4

= 50 + 4

= 54

g(-5) = - 5 - 6

= - 11

f(-5) - g(-5) = 54 + 11 = 65

Hope it will help you :)