2). A cell phone company offers two plans. Plan A costs $70 for the first 300 minutes, and $0.25 for eachadditional minute. Plan B costs $85 for the first 350 minutes, and $0.20 for each additional minute. Create apiecewise function for each plan.21000+75x

Answered: 2). A cell phone company offers two…

Calculus: Early Transcendentals

8th Edition

ISBN:9781285741550

Author:James Stewart

Publisher:James Stewart

Chapter1: Functions And Models

Section: Chapter Questions

Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...

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Similar questions

A car initially sold for $23,999. Its class life is 12 years, and the car depreciates by $750 each year. Express this as a linear function. Find the salvage value. Then, find the value after six years.
You pay a babysitter $20$⁢20 each week for driving your children to school and $9$⁢9 for each hour she watches them. Write a function in x that represents the total amount you pay your babysitter in a week. Be sure to indicate any domain restrictions.
Members of a local band hold a bake sale to raise money. They sell their baked goods on blue and white paper plates. Each blue plate costs $5 and each white plate costs $3. The band raises $430 from their bake sale. Elise wants to sketch a graph of the linear function that relates the possible number of blue plates sold, x, to the possible number of white plates sold, y. Which THREE statements are TRUE regarding the graph that Elise will sketch? A) The graph will not have an x-intercept. B) The graph will decrease over its entire domain. C) The graph will show only x- and y-values that are positive. D) The graph will have an x-intercept of 86, the maximum possible number of blue plates sold. E) The graph will have a y-intercept of 143, the maximum possible number of white plates sold. F) The graph will show that as the number of white plates sold increases, so will the number of blue plates sold.
A cashier earns $7 an hour. If x is the number of hours worked, which function represents the cashier’s earnings?
Jeff delivers pizza for Papa Jim’s Pizza. Papa Jim’s pays Jeff $6.75 per hour. In addition to this hourly rate, Jeff earns $0.65 for every pizza he delivers. Write the function that describes Jeff’s wages, where x represents the number of pizzas he delivers during a 8-hour shift. If Jeff works a 8-hour shift and delivers 67 pizzas during his shift, how much money will he earn?
A manufacturer of electronic parts has a fixed cost of $410 and a variable cost of $17 per part monthly. The company sells each electronic part for $26 per item. Write a function that models the total profit
Write an equation for the function represented by the following graph: 0.667 n 1. n 1.667 n 2. n 2.667 n -2- -3 1. 2.
Assume your salary is $25,000$⁢25,000 per year and $80$⁢80 for each computer you sell. What function represents your total pay for one year? Be sure to indicate any domain restrictions.
Each horse you own eats 4 bales of hay per month. Each bale of hay costs $15. a. Create a function called f whose input is the number of horses you own and whose output is the number of bales of hay eaten per month. Use x as your input variable. b. Create a function called g whose input is the number of bales of hay eaten per month and whose output is the total cost. Use x as your input variable. c. Create a function called / whose input is the number of horses you own and whose output is the total cost. Use x as your input variable. d. If you own 5 horses, use your functions f, g and h to find out how many bales of hay are eaten per month and how much money this will cost. e. Draw a diagram of the three functions f, g, and h. Show the input and output of each function, and their relationship.
The Campus Democrats plan to pay a visitor $500 to speak at a fundraiser. Tickets will be sold for $10 apiece. Find a function that gives the profit (or loss) for the event as it varies with the number of tickets sold. How many people must attend the event for the club to break even?
The cost of renting a canoe is $20 for the first 4 hours and $4 per hour for additional hours. Write a piecewise function that represents the cost of renting a canoe for 0 to 8 hours.

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2). A cell phone company offers two plans. Plan A costs $70 for the first 300 minutes, and $0.25 for each additional minute. Plan B costs $85 for the first 350 minutes, and $0.20 for each additional minute. Create a piecewise function for each plan. 21000 +75x