Find the equation of the vertical line through (7,-3)

Freedom of the American peopleFreedom of the American peopleFreedom of the American peopleFreedom of the American peopleFreedom of the American peopleFreedom of the American peopleFreedom of the American peopleFreedom of the American peopleFreedom of the American peopleFreedom of the American peopleFreedom of the American peopleFreedom of the American peopleFreedom of the American peopleFreedom of the American peopleFreedom of the American peopleFreedom of the American peopleFreedom of the American peopleFreedom of the American peopleFreedom of the American peopleFreedom of the American peopleFreedom of the American peopleFreedom of the American peopleFreedom of the American peopleFreedom of the American peopleFreedom of the American people

Step-by-step explanation:

i think it will be zero as slope has a formula of difference between initial and final distance divided by itz time interval

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.