Question

The stretch of a spring varies directly to the weight attached to it.

A 45 pound weight stretches the spring 2.5 inches.
Which of the following is the correct weight it would take to
stretch the spring 7 inches?
A. 17.5 lbs.
B. 112.5 lbs.
C. 126.0 lbs.
D. 315.0 lbs

Answer 1

A spring stretches 2.5 inches for each ounce of weight. Use this information for problems 9-11. 9. Determine a function that represents this situation.

Explanation: