Answer:
f(4)
Step-by-step explanation:
replace the x in f(x) with 4
5) -15
6) -15
7) -7/6
8) -7/9
9) -3
10) -153
12.5 inches
2 / 4 = 0.5
0.5 in = 10ft
0.5 x 25 = 12.5