A phone company charges $25 a month for unlimited talk, text, and 2GB of data, and $5 for every gigabyte of data above 2GB. Write an expression for the monthly phone charge, P, in dollars, as a function of the number of gigabytes of data, d, used that month. For 0 < d < For d> P(d) P(d) = =

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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A phone company charges $25 a month for unlimited talk, text, and
2GB of data, and $5 for every gigabyte of data above 2GB.
Write an expression for the monthly phone charge, P, in dollars,
as a function of the number of gigabytes of data, d, used that month.
For 0 < d <
For d >
P(d) :
=
P(d) =
Transcribed Image Text:A phone company charges $25 a month for unlimited talk, text, and 2GB of data, and $5 for every gigabyte of data above 2GB. Write an expression for the monthly phone charge, P, in dollars, as a function of the number of gigabytes of data, d, used that month. For 0 < d < For d > P(d) : = P(d) =
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