Answer:
If you need the answer as f by simplifying both sides of the equation and then isolating the variable, the answer would be:

Or, if you need to evaluate the function itself, the answer would be:

D/2 + c/3
10/2 + 6/3
5+6/3
=5+2
=7
Answer:
D
Step-by-step explanation:
Supplementary = 180 degrees aka straight line
numerator. Denominator is what the numerator fits into