Let

be the solid. Then the volume is

which follows from the facts that

(by computing the Jacobian)
and

(we take the positive solution, since it's clear that

lies above the

-

plane)

(again, taking the positive root for the same reason)





Answer:900ft
Step-by-step explanation: v=l×w×h/3 =15×10×18/3=900
I don't see a diagram, but if the portion of the tennis region you are asked to analyze doesn't intersect anywhere else/any other regions pertaining to other sports, wouldn't the sport chosen by these students be solely tennis?
Answer:

Step-by-step explanation:
The domain is all possible values for x.

There are no restrictions on x.
The domain is all real numbers.