Unit 6 Review

Front

What is the cost to rent a Karaoke machine for 3 days?

Back

$100

Front

What is the most appropriate domain for a function predicting the number of household online-devices based on the number of people in the household?

Back

Whole Numbers

Front

What equation represents the total charges for x hours at Easy Car Rental, which charges $8.50 an hour plus a rental fee of $25.50?

Back

y = 25.5 + 8.5x

Front

What are all of the x values or inputs in a function called?

Back

Domain

Front

If Sam ordered 4 tacos and 5 enchiladas for lunch and his bill was $10.80, which equation represents this situation?

Back

4x + 5y = 10.80

Front

What is the definition of a function?

Back

A relation where each input has exactly one output.

Front

What is the range in a function?

Back

The set of all possible output values.

Front

What does it mean for a function to be linear?

Back

It can be represented by a straight line on a graph.

Front

What is the formula for calculating the total cost of renting a machine?

Back

Total Cost = Rental Fee + (Hourly Rate × Number of Hours)

Front

What is the difference between rational and irrational numbers?

Back

Rational numbers can be expressed as a fraction, while irrational numbers cannot.