turkey-yks 2021 Q12

turkey-yks · Other · yks-tyt Function Transformations
In the rectangular coordinate plane, the graphs of the functions $f + g$ and $f - g$ are given in the figure.
Given this, what is b?
A) 3 B) 4 C) 5 D) 6 E) 7
In the rectangular coordinate plane, the graphs of the functions $f + g$ and $f - g$ are given in the figure.

Given this, what is b?

A) 3
B) 4
C) 5
D) 6
E) 7