Mostre que o número 3,5353... é racional, isto é, pode ser escrito na forma de uma fração. * 384/99

350/90

384/90

350/99

3,53/9​

the first one, all those points on the line just make a strait line.

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.

simple 80 pieces in 1 sercing so 80*47=3760+20=3780