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Mathematics, 23.11.2020 17:20 josephaciaful

Which choice could NOT be modeled by an exponential function? the amount of money, y, in an account after x years earning 4% interest compounded annually

the monthly cost, y, to use a cell phone for x minutes at a rate of 4 cents per minute

the amount, y, of radioactive material remaining after x years when decay occurs at a rate of 30% each year

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Which choice could NOT be modeled by an exponential function? the amount of money, y, in an account...
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