This graph is that of a parabola, which in turn represents a quadratic (2nd order) equation, also a polynomial. The domain of any and all polynomial(s) is "the set of all real numbers," or (-infinity, infinity).
32 floors
32*11=total feet from ground to top
h=297-4.4t
set 11=297-4.4t to find the time it will take since each floor is 11 ft high
The answer is 30+6x you would just multiply 6 by 5 then put 6 next to x.
So to rewrite it so that we can find the side, we just need to isolate the a variable.

So firstly, divide by 6 on both sides of the equation: 
Next, square root each side, and your answer should be 
7
Hope this helped hope you have a good day