Model Linear Function

A fitness club opens with 80 members. Each month the membership increases by 15 members. Which equation represents the relationship between the number of months the club has been opened, n, and the total fitness club membership, M?

• M(n)=15n

• M(n)=15n+80

• M(n)=n+15

• M(n)=80n+15

Asia is a salesperson for Quark Computer Company. Each month she earns $2500 as well as 1/6 of every sale she makes. What equation represents this situation?

• C(s) = 6s - 2500

• C(s) = 6s + 2500

• C(s) = (1/6)s - 2500

• C(s) = (1/6)s + 2500

The value of a particular car model t years after its purchased is given by
V(t) = 25000-3000t
What does V(0) represent?

• Value after 1 year

• Value after 1 week

• Value after 1 month

• Purchase price of the car

The value of a particular car model t years after its purchased is given by
V(t) = 25000-3000t
What is the cars value 6 years after it is purchased?

• $6850

• $7000

• $7500

• $8250

The cost of hiring a private tutor is modeled by the function C(n)=32n+20. How much does the tutor charge per hour?

• $32 per hour

• $20 per hour

• $52 per hour

• $12 per hour

The cost of hiring a private tutor is modeled by the function C(n)=32n+20. What does 20 represent in this model?

• Price per hour

• Flat fee to hire tutor

• Maximum number of hour you can hire the tutor

• I don't know what it means

The cost of hiring a private tutor is modeled by the function C(n)=32n+20. How many hour did the tutor work to earn $212?

• 4 hours

• 6 hours

• 5 hours

• 7 hours

Which kind of function has the same First Differences

• Linear

• Quadratic

• Exponential

• Absolute Value

What function best models the data in the table?

• linear

• exponential

• quadratic

This is a _______________ function.

• Linear

• Exponential

• Quadratic