What type of number can be written as a fraction, where p and q are integers and q is not equal to zero?
A. A rational number
B. All numbers
C. An irrational number
D. n

A. rational number can be written p/q form, where q not equal to zero.

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.