A cell phone plan has a basic charge of $50 a month. The plan includes 600 free minutes and charges 10 cents for each additional minute of usage. Write the monthly cost C (in dollars) as a function of the number x of minutes used.

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Ответ:

batmanmarie2004

05.09.2021

Mathematics

Step-by-step explanation:

Since A is 4 and C is -3, you have to follow PEMDAS or (whatever it's called) and do exponents first. -3^2 is 9, and 4*9 is 36. since B is 5, 5*4 is 20, and 36+20 is 56 I think

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