Question

if f(x) = x2-x-6 , then f(1) + f ( 3) is =

Answer 1

Answer:

f(1) = (1)2-(1)-6

1-1-6 = -5

f(3) = (3)2-(3)-6

6-3-6 = -3

f(1)+f(3) = -5+(-3)

= (-8)

Answer 2

Answer:

ans is in the attachment

hope it works