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A linear function with a positive slope and the constant is the fee charged. The independent variable is the positive number of hours the bicycle is rented and the total cost for renting the bicycle is the dependent variable.

A linear function with a positive slope. The constant is the monthly charge. The number of texts per month is the independent variable. The dependent variable is the total cost of the monthly bill.

A linear function with a positive slope. The constant is the charge per customer. The independent variable is the number of pounds of strawberries while the dependent variable is the total cost of the strawberries picked.

A quadratic function opening downward. The height of the balcony from the ground is the constant and the initial height of the ball. The independent variable is the time and the dependent variable is the height the ball is from the ground. The -4.9 is the force of gravity and 17 is the initial velocity.

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Jose rents bicycles. He charges $10 per rental and $1.50 an hour.
In order to save money on her cell phone bill, JoAnna changed her texting plan to one that charges $8 per month and $0.03 per text.
The owners of a strawberry patch charge each customer $5 to pick the strawberries and $1.25 per pound.
The function for the distance,
d, a ball thrown up in the air off a two story balcony 20 feet off the ground with an initial velocity of 17 feet per second is d(t)= -4.9t2+17t + 20.

Problem Situation

Function Description