C is the awnser I believe correct me if I’m wrong
F(2) = (5/2)f(1) = 8.0
f(3) = (5/2)f(2) = 20
f(4) = (5/2)f(3) = 50
f(5) = (5/2)*50 = 125
x = 12 , y = 18 (12, 18) is the solution, intersection of the two lines.
Answer:
2.466...
Step-by-step explanation:
You must find the cube root of 15.
It's 2.466...
hope it helps! :-)