Question

A cellular phone company charges $40 for a phone and $90 per month for its economy plan. Let y denote the total cost in dollars and x denote the number of months. Answer parts a-e. a. Find the equation that expresses y in terms of X. y=0 b. Determine b, and b bo= ,=0 c. Construct a table for the x-values 6, 15, and 21. Time (months) x Cost ($) y (Simplify your answer.) (Simplify your answer.) (Simplify your answer.) d. Choose the correct graph of the linear equation. ОА. OB. Ос. OD. 30007 30007 30007 3000 e. By looking at the graph to estimate the cost for 12 months, between what two amounts will the cost fall? O A. $2000 and $2500 O B. $0 and $500 OC. $1000 and $1500 OD. $500 and $1000 The total cost for 12 months of service is $ (Simplify your answer.)

Answer 1

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Solution the girn data. Fhom 70 Lot )y(40tA) Tim mon th) 90x6440 90 x 15 440 1390 21 1930 9ox21 t4o Gahoph:- ghaph is Colect will 12 Months cost The 1120 90X 12 44o Cowed opthon 0 and 1so is The total Cost fo 1 Monty of Scuriu 1120