Scott purchased a prepaid phone card for $40.00. Calls cost 7 cents a minute using this ca minutes of calls is given by the following function. C(x)=40.00-0.07x How much credit is left on the card after

Scott purchased a prepaid phone card for $40.00. Calls cost 7 cents a minute using this ca

minutes of calls is given by the following function.
C(x)=40.00-0.07x
How much credit is left on the card after Scott uses it for 30 minutes of calls?
dollars
[] dollars

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Scott purchased a prepaid phone card for $40.00. Calls cost 7 cents a minute using this ca minutes of calls is given by the following function. C(x)=40.00-0.07x How much credit …

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