Mathematics, 12.08.2021 02:40 itssamuelu

A cell phone company charges $400 for a new phone and $50 for a monthly plan. If C (t) is a rational function that represents the average monthly cost of owning the cell phone, what is the range of the function? R: ℝ R: (–∞, ∞) R: (0, 400) R: (50, 450)

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A cell phone company charges $400 for a new phone and $50 for a monthly plan. If C (t) is a rational...