I believe the answer is A! I hope that's correct! :)
Answer:1.5 hours
Step-by-step explanation:
$8.50 is for 1/2 hour
In $25.50, the can use for (25.5*.5)/8.5 = 1.5 hours
B, the inverse is not a function, because to the x-value 0 the inverse relation orders two values: the 1 and the 5 as well.