(1) Find the slope-intercept form for the line perpendicular to 2x-3y=-6 and passing through (4, -9)

College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter1: Equations And Graphs
Section1.3: Lines
Problem 92E
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(1) Find the slope-intercept form for the line perpendicular to
2x-3y=-6 and passing through (4, -9)

(2)) A mobile phone provider charges $3.75 plus $0.15 per minute for overseas calls.
(a) Write a linear model which shows the cost C, in dollars, for a client talking x minutes.
(b) How much would it cost the client for an overseas call with a duration of 55 minutes?

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