Answer:
Yes, you are correct because the curve rests on 3 on the x-axis
How many friends there are so I would say f for friends
G(-3)= 3(-3)+4
g(-3) = -5
I simplify it by factor that can go into 30 and 45 equally so 2/3
2 1/2−1 1/4
=5/2−1 1/4
=5/2−5/4
=5/4
=1 1/4