Beth's monthly charge for Internet access #c# is represented by the function #c=12+2.50h#, where h# represents the number of hours of usage during a month. What is the total charge for a month in which Beth used the Internet for 9 hours?

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Answer 1 · 2016-12-19T10:58:21

Total charge for a month is #34.50#

#c= 12+ 2.50h ; h=9.0 :.c = 12+2.50*9= 34.50# unit

Total charge for a month is #34.50# unit for using internet for #9.0# hrs . [Ans]