Answer:
f − 1 ( x ) = x + 12
Step-by-step explanation:
To find the inverse, interchange the variables and solve for
y .
I hope this helps.
18.75 is the new price
C.
Jack's rate = 28/2 = 14 boxes/hour
Walter's rate = 36/3 = 12 boxes/hour
Combined rate = 14 + 12
= 26 boxes/hour
26 = 65/t
26t = 65