Question an-obj

1.1 Linear Functions - Slope calculation and interpretation
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An object hangs from a spring. The formula l equals, 30 plus 2 w relates the length l, in centimeters, of the spring to the weight w, in newtons, of the object. Which of the following describes the meaning of the 2 in this context?

A.

The length, in centimeters, of the spring with no weight attached

B.

The weight, in newtons, of an object that will stretch the spring 30 centimeters

C.

The increase in the weight, in newtons, of the object for each one-centimeter increase in the length of the spring

D.

The increase in the length, in centimeters, of the spring for each one-newton increase in the weight of the object