Domain & Range in Real-Life Scenarios: Grade 8 Quiz

1. A local gym charges a monthly fee of $30 plus $5 for each class attended. If a member attends between 0 and 10 classes a month, what is the reasonable domain for the number of classes attended?

• 0 to 15

• 0 to 10

• 10 to 20

• -5 to 5

2. Using the gym's pricing model, what would be the total cost for attending 5 classes in a month?

• $30

• $50

• $100

• $70

3. A car rental company charges a flat fee of $50 per day plus $0.20 per mile driven. If a customer rents a car for 1 to 7 days, what is the reasonable domain for the number of days rented?

• 5 to 14 days

• 0 to 5 days

• 1 to 7 days

• 1 to 10 days

4. If a customer drives 100 miles in one day, what would be the total cost of renting the car for that day?

• $100

• $50

• $70

• $90

5. A school is planning a field trip and can take between 20 and 50 students. What is the reasonable domain for the number of students attending the trip?

• 15 to 45

• 30 to 60

• 10 to 30

• 20 to 50

6. If the cost per student for the trip is $15, what would be the total cost for 30 students?

• $300

• $600

• $4500

• $450

7. A bakery sells cupcakes for $3 each. If they sell between 10 and 100 cupcakes in a day, what is the reasonable domain for the number of cupcakes sold?

• 10 to 100

• 100 to 200

• 1 to 10

• 5 to 50

8. If the bakery sells 50 cupcakes in a day, how much revenue do they generate from cupcake sales?

• $100

• $50

• $75

• $200

9. A concert venue has a seating capacity of 200 people. If tickets are sold for $20 each, what is the reasonable domain for the number of tickets sold?

• [0, 150]

• [50, 250]

• [0, 200]

• [0, 100]

10. If the venue sells 150 tickets, what is the total revenue generated from ticket sales?

• 1500

• 4500

• 3000

• 2000