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I need to type the word but I don’t know what it is

Exponential Function

Step-by-step explanation:  This is a(n) exponential function becuase each input is going at a constant rate of x^2  which is an exponent. Meaning the output is squared by the given number (which is x).

Make me brainliest if it is right.

f(x)=2/3x-8, which give g(x) the greatest value.

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.