Answer:
B
Step-by-step explanation:
Let x be the number of packages of paper towels.
Each package of paper towels costs $2.79.
Then x packages of paper towels cost $2.79x.
Hence, a function f(x) is

Practically, you can buy 0 packages, 1 package, 2 packages and so on, only whole numbers of packages, so practical domain is all whole numbers.
D is the correct answer 0.3234
Answer:
The answer is "
"
Step-by-step explanation:
In this question, the image file is missing, which is defined in the attached file. please find it.





Answer:
not a function because the points' x-values repeats
Step-by-step explanation:
Step-by-step explanation:
x = 36
y = 48
z = 72
hope it helps