Solution
Step 1
f(-2) is the value of f(x) at which x = -2
Next
Trace x =-2 from the graph and get f(-2)
I know for a fact I'm not the only one who would look this up-
It is 150 degrees. This is due to the fact that all angles across from each other in this way are equal. Therefore you add the two angles.
Answer:

Step-by-step explanation:

Switch sides:

Factor out a:

Divide both sides by: 


The answer to this question is 2