Question 4 • CMS 2026-2027 NC Math 1 CREDIT RECOVERY
Read the scenario. Sarah practices the piano for 30 minutes every day, increasing her total time by half an hour each day. How does this scenario show a constant rate of change between two quantities?
Answer
A
The rate of improvement is dependent on the duration of practice.
B
Sarah’s piano skills improve at a constant rate each day.
C
The time spent practicing increases by the same amount each day.
D
The time Sarah practices corresponds to the day of the week.