Answer:
C, D, E
Step-by-step explanation:
I do not see any pictures
Solution: Find the relationship among the 3 sides and solve for the unknown.
First side = x
second side = x + 3
third side = 3x - 10
x + x + 3 + 3x - 10 = 23
5x - 7 = 23
5x = 30
x = 6 <========== shortest side
Answer: The inverse is f^-1 (x) = x - 11