For the month with the lowest average temperature, estimate the total amount made from coat sales.

answer: 819.89 miles across america

step-by-step explanation:

the one below it is a function

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.