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Which phrase describes a nonlinear function


a The area of a circle as a function of the radius

b the perimeter of a square as a function of the side length

c the cost of gasoline as a function of the number of gallons purchased

d distance traveled by a car moving at constant speed as a function of time

Verified Answer :

Nonlinear means not in a straight line if you graph it.

The answer would be C because the number of gallons of gasoline purchased varies.

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