DerpofTheAbyss

Try this: 

A proportional function is a function that follows $y=kx$

I can't guarantee I'm right, but it might be 12km/h.

You would get $4,087,600.

Set y=0.

Thanks!

If an exponent is in parentheses, and the exponent is raised to a power, multiply the powers. In this case, it's 1. (-1*-1=1). Ending up with y^1

it's 100

An interger is any number that is whole ie. 1,2,3,4,5,-1,-2,-3. Numbers that aren't intergers are fractions, decimals, percents, and irrational numbers.