Is this right?
Any links get reported!

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.

in total they made   333.74 your welcome : d

his answer is incorrect. i just used it, and it said it was incorrect. the answer is 0.

answer is

b.

11

hope you get this one right.