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The short-term (no more than 24 hours) parking fee F(in dollars) for parking x hours at
O’Hare International Airport’s main parking garage can be modeled by the piecewise function F(x).
Top portion of F(x): 3 if 0 < x <= 3
Middle portion of F(x): 5•int(x + 1) + 1 if 3 < x < 9
Bottom portion of F(x): 50 if 9 <= x <= 24
Determine the fee for parking in the short-term parking garage for 8 hours and 24 minutes.
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8 hours and 24 minutes is 8
hours, or 8
hours, or 8.4 hours.
So, in this problem x = 8.4.
This value is between 3 and 9, so we apply the middle portion of F(x).
First, we calculate x+1 = 8.4+1 = 9.4.
Then we calculate int(9.4) = 9.
Then F(x) = F(9.4) = 5*9+1 = 45+1 = 46.
ANSWER. The fee for parking in the short-term parking garage for 8 hours and 24 minutes is 46 dollars.
Solved.