URGENT Julie-ann gets a pre-paid cell phone. Initially she has a $40.00 balance on the phone. Each minute of talking costs $0.15. A function f(x) is created to model the balance on Julie-ann's phone. a.

URGENT

Julie-ann gets a pre-paid cell phone. Initially she has a $40.00 balance on the phone. Each minute of talking costs $0.15. A function f(x) is created to model the balance on Julie-ann's phone.
a. Is f (x) a linear function or an exponential function? Explain how you know.
b. Find an equation for the function f(x) = Your answer

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URGENT Julie-ann gets a pre-paid cell phone. Initially she has a $40.00 balance on the phone. Each minute of talking costs $0.15. A function f(x) is created to model the balance…

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