Question

Use the information given to answer the question.

Randall is training to run a 10
-mile race. The equation R=−0.1w+7.5
represents the time in minutes, R
, it takes him to run each mile afterw
weeks of training.

Evelyn is training to run the same 10
-mile race. The equation E=−0.5w+6.25
represents the time in minutes, E
, it takes her to run each mile after w
weeks of training.

What is the meaning of the y
-intercept in Evelyn’s equation?

(1 point)
Responses

Evelyn subtracts 0.05
second from her mile time after each week of training.
Evelyn subtracts 0 point 0 5 second from her mile time after each week of training.

Evelyn runs one mile in 6.25
minutes after 5
weeks of training.
Evelyn runs one mile in 6 point 2 5 minutes after 5 weeks of training.

Evelyn runs one mile in 6.25
minutes after 0 weeks of training.
Evelyn runs one mile in 6 point 2 5 minutes after 0 weeks of training.

Evelyn adds 0.05
second to her mile time after each week of training.
Evelyn adds 0 point 0 5 second to her mile time after each week of training.

Answer 1

Evelyn runs one mile in 6.25 minutes after 0 weeks of training.