we have
using a graph tool
see the attached figure
the domain of the function is all real numbers------> the interval is (-∞,∞)
the range of the function is --------------------------------> the interval (-∞,9]
therefore
the answer is
The range of the function is all real numbers less than or equal to 
A=3.14r^2
A=3.14 x 10^2
A=3.14x100
A=314
314cm is your answer
Answer:
The number next to a variable is called the Coefficient of the variable.
Splashtown: 25 + 1x
Schlitterbahn: 40
25 + 1x = 40
-25 -25
0 1x = 15
x = 15
So after 15 rides, Schlitterbahn would be cheaper than Splashtown.
<span>The factory makes shirts for 9 hours each workday. </span>
