f(3) is worth 6 and g(3) is worth 3 than f(3)+g(3) worth 9.
The correct answer is c) .
Good luck!!!
f(3) means when x = 3 now find y. same thing for g(3).
f(3) coordinates are (3, 3) so f(3) = 3
g(3) coordinates are (3, 6), so g(3) = 6
f(3) + g(3)
= 3 + 6
= 9
Answer: C
