Answer: $26
Step-by-step explanation:
If $19.50 is 3/4, we need to find 4/4.
3/4 -> 0.75
4/4 -> 1
We will set up a proportion and solve.

19.5 = 0.75x
26 = x
The professional ball is $26.
The answer your looking for is B
X= -4; f(x)= -15
X= 2; f(x)= 3
X=5; f(x)= 12