2. How much money will you have in 2 years if you put $400 in the bank and it grows at a rate of 3% per month?

the answer to this question is in the pic

1st part is 64,000,000

2nd part 500,000

step-by-step explanation:

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.