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Which situations represent linear functions? Check all that apply.

A)The temperature rises and falls over the course of a day. Temperature is a function of time.

B)A baseball is hit into the outfield. The height of the ball is a function of time.

C)A car goes 55 mph on the highway. Distance is a function of time.

D)A child grew 2 inches this year and 1 inch last year. Height is a function of time.

E)A movie director makes 2 movies per year. The number of movies is a function of the years.

Respuesta :

Answer:

the answer is the car and the movie

Step-by-step explanation:

just did it

Answer:

Option C and E

Step-by-step explanation:

A linear function is represented by a straight line when graphed.

Linear function means a straight line with uniform rate of change.

A.   The temperature rises and falls means rate of change is not uniform.  So the function representing temperature as a function of time is not a linear function.

B.    A base ball was hit into outfield which achieved maximum height but goes down. So rate of change in height is not uniform so function representing height as a function of time is not linear.

C.    Car goes 55 mph on the highway so change in distance with respect to time will be a linear function.

D.    A child grew 2 inches this year and 1 inch last year so rate of change in height will not be a linear function.

E.    Movie director makes 2 movies per year. The number of movies represented by a function in terms of years will be linear showing a straight line.

Option C and E are correct.

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