What’s one plus one? Help I’m s lost..

2

Step-by-step explanation:

1+1=2. When you count on your fingers and put one on both fingers. Lets say you put them together, you get 2.

(c, 0) i might be wrong so don't put full faith on my answer

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.