a phone service, charges $40.50 for 90 min. of talk, $51.75 for 115 min., and $90.00 for 200 min.

Determine the rate of change

determine the y-intercept

determine a linear equatin

what is the meaning of the y-intercept
in Algebra 1 Answers by

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1 Answer

40.50$/90minuts=0.45$/min

90$/200...=0.45$/minut

konstant...y=horizontal strate line...y=0.45
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