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10 January, 10:31

The equation p=100-4t represents the percent p of battery power remaining in an MP3 player after t hours.

a. Identify the independent and dependent variables. Then describe how the battery power changes over time.

The independent variable is

and the dependent variable is

.

The battery power begins at ☐ % and decreases ☐ % each hour.

Question 2

b. Graph the equation.

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Answers (1)
  1. 10 January, 10:39
    0
    Step-by-step explanation:

    Here time (t) is the independent variable; power (p) is the dependent one.

    The graph of p = 100 - 4t is a straight line with slope - 4. 100 is the vertical intercept. Battery power begins at 100 and steadily decreases after that.
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