Answer:
all positive numbers
Step-by-step explanation:
The domain is all of the possible x coordinates. Since we are doing a square root, the answer can't be negative, so if we are multiplying x by a positive number, x can't be negative. All other numbers would work.
The next number in the sequence is 8
Answer:
The answer is 20
Step-by-step explanation:
(Edge2020)
Answer:
Area of circle = πr^2
Area of circle when diameter is 2x; r=x
=πx^2
Answer:
The radius of the balloon is increasing at a rate of 4 feet per minute.
Step-by-step explanation:
We are given the following in the question:

Volume of sphere is given by

where r is the radius of the balloon.
Instant radius, r = 2 ft
Rate of change of volume =

Putting values, we get,

Thus, the radius of the balloon is increasing at a rate of 4 feet per minute.