Answer: Population and sample
Step-by-step explanation:
A population is the complete collection of all measurements or data collected, whereas, a sample is a subcollection of members selected from the complete collection
Answer: Second option
Step-by-step explanation:
You need to make the multiplication of the function
and the function
. Then:

You need to apply the Distributive property:

Therefore, the domain will be all the number that make the denominator equal to zero.
Then, make the denominator equal to zero and solve for x:

Therefore, the domain is: All real values of x except 
Answer:
28.26 ft^2
Step-by-step explanation:
Area of a circle is calculated using the following formula :
πr^2 (r: radius, and π is given as3.14)
the diameter is given as 6 and radius is equal to half of it so :
(3.14)*3^2 = 28.26 ft^2