Question

Which situation is modeled by a linear function?

A.
A car depreciates at a rate of 12% per year.

B.
A savings account earns 3.8% interest per year.

C.
A company withholds 15% of its employees’ salaries for taxes.

D.
The number of teams remaining in a tournament is halved after each round.

Answer 1

Option D.

Explanation:

A linear function is a function that has a constant rate of change, which means that the function has a made slope or angle to it. The number of teams remaining in the tournament is halved after each round, which means that the number of teams decreases by a constant factor or slope of 1/2 after each round.