Jeremy’s family wants to rent bicycles. The table shows the cost in dollars, y , of renting a bicycle for x hours. x 1 2 3 4 5 6 y 15 25 35 45 55 65 What type of function is represented?

Each time the rental lasts 1 more hour, the cost increases by $10: 25 − 15 = 10, 35 − 25 = 10, and so on. A constant rate of change means the relationship is linear, so the answer is linear.

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