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Vicky charged her phone’s battery to 100 percent. Then she took the phone off the charger. When her phone is off the charger, it loses 5 percent of its battery life every hour. What function models the percentage of battery life left in terms of the number of hours since Vicky took it off the charger? Part A Identify the independent and dependent quantities from the function’s verbal description. What is the independent quantity, and which variable should represent it?

Respuesta :

Y=-5t + 100

Independent: time in hours
Dependent: percentage

Answer:

The number of hours since Vicky took the phone off the charger is the independent quantity, so the variable x should represent it.

Step-by-step explanation:

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