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A package of paper towels contains 3 rolls. Each package of paper towels costs $2.79.​
A function, f(x), is written to represent the cost of purchasing x packages of paper towels.

What is the practical domain for the function f(x)?
(a) all whole numbers that are multiples of 3
(b) all positive integers
(c) all real numbers
(d) all whole numbers

 Jan 9, 2019

Best Answer 

 #1
avatar+15350 
+3

You can buy any number of packages from one to infinity in + whole numbers.....the domain  [1,+inf)

   b all positive integers

 Jan 9, 2019
 #1
avatar+15350 
+3
Best Answer

You can buy any number of packages from one to infinity in + whole numbers.....the domain  [1,+inf)

   b all positive integers

ElectricPavlov Jan 9, 2019

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