karinapenn8259

20.09.2020 • 

Mathematics

You have a cell phone plan that charges you different amounts per GB based on the number of GBs used each month. They charge $11 per GB for the first 3 GB of data you use. After 3 GB up to 5 GB, the company charges $9 per GB of use. When you go over 5 GB of data the company reduces the price more and you pay $6 per GB. Which piecewise function, models, the cost of the cell phone for x minutes used in a month?

Ответ:

arely30

22.02.2021

Mathematics

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Step 1. Use Multiplication Distributive Property 
4*3^3(x^2)^3(y^4)^3
Step 2. Simplify 3^3 to 27
4*27(x^2)^3(y^4)^3
Step 3. Use the Power Rule
4*27x^6(y^4)^3
Step 4. Use the Power Rule
4*27x^6y^12
Step 5. Simplify.
The answer is 108x^6y^12

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