Bryce Canyon National Park From 1990 to 2000, the number of thousand visits
by people to Bryce Canyon National Park increased by about 23.9 thousand visits
per year. In 2000, there were about 1102.4 thousand visits to the park,
Write an equation that gives the number of thousand visits as a function of the
number of years since 1990.

(d)

step-by-step explanation:

given: the line in the graph passes through points (5,30) and (6,26).

then, the equation of line is:

now, put y=a(n) and x=n,

hence, option d is correct.

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.