A gear in the axle of a car rotates at 120 rpm (revolutions per minute). The expression 120x gives the total number of revolutions in x minutes.

a.Evaluate the expression for 1, 3, and 5 minutes.
b. Express each set of values as an ordered pair.

For each question, show all of your steps and explain your work.

Question

A gear in the axle of a car rotates at 120 rpm (revolutions per minute).  The expression 120x gives the total number of revolutions in x minutes.

a.Evaluate the expression for 1, 3, and 5 minutes.
b. Express each set of values as an ordered pair. 

For each question, show all of your steps and explain your work.

cwrw238 · Answer

N = 120 x        where N is number of revolutionx
just plug x = 1,3 and 5 and calculate N