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12.3 Linear Functions

12.3 Linear Functions. Linear Function. M= rate B= constant. The Triad Truck Rental Company charges $35 per day plus $0.21 per mile. Find the cost of renting a truck for a one day trip of 340 miles?. M=$ 0.21 per mile B= $35 f(x ) = 0.21 x +35 f(340) = 0.21 (340) +35

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12.3 Linear Functions

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  1. 12.3 Linear Functions

  2. Linear Function • M= rate • B= constant

  3. The Triad Truck Rental Company charges $35 per day plus $0.21 per mile. Find the cost of renting a truck for a one day trip of 340 miles? M=$ 0.21 per mile B= $35 f(x) = 0.21 x +35 f(340) = 0.21 (340) +35 f(340) = $106. 40

  4. A truck rental company charges $41 per day plus $0.24 for each mile over 100 miles. Find the cost of renting a truck for three days during which it is driven 150 miles.

  5. How far can you drive in three days and keep the cost under $150?

  6. Homework • Page 548 (1-12) all

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