Mr. diaz was driving at 80 miles per hour. he realized he was speeding and slowed his speed down to
65 miles per hour over a period of 10 second. find the average change in speed each second.

54.864 meters

step-by-step explanation:

the height of the surface increases from the center out to the sides of the road.

step-by-step explanation:

as we move out we move away from the x-axis.

and as mentioned in the problem statement that height of a road increases when we move away from the center x.

hence proved that 3rd option

the height of the surface increases from the center out to the sides of the road.

is the correct option.