500 (non smokers)÷ 25(random students out of the group)= 20 inches.
20 inches ÷ 74 inches= 3.70
Answer:
y = 2x - 11
Step-by-step explanation:
The "rate of change" is the coefficient of x when the function is written in this form:
y = mx + b
That coefficient will be positive when the function has a positive rate of change.
y = 2x - 11 . . . has a positive rate of change