Mathematics, 01.03.2020 23:00 lilquongohard
You are to choose from a cellphone company that offers two talk and text plans. The company charges a monthly service fee of $20 for either plan the customer chooses: Talk and Text Plan A charges five cents a minutes and twenty dollars for 250 texts. Talk and Text Plan B charges ten cents a minute (first 100 minutes free) and fifteen dollars for 200 texts. NOTE: Assume you are purchasing a basic phone, which is $0 with 2-year contract. You cannot purchase unlimited text messaging for this exercise. Use the methods we have been studying to determine which plan is better based on the number of text messages you send per month if you only have $75 to spend each month. If you chose talk and text plan: For how many minutes will both plans hare the same cost? If you had $75 to spend each month, which plan should you choose and why?
Answers: 1
Mathematics, 21.06.2019 17:00, MustafaEtroshi
Find dy/dx using implicit differentiation ln(20+e^xy)=y
Answers: 3
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