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Algebra 1

4.13.5 Graph of a Function and the Domain and Range Connection

Algebra 14.13.5 Graph of a Function and the Domain and Range Connection
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The function WW gives the temperature, in degrees Fahrenheit, of a pot of water on a stove tt minutes after the stove is turned on. After 30 minutes, the pot is taken off the stove.

The graph of the function is shown.

Line graph showing temperature (degrees Fahrenheit) rising from 75 to over 200 between 0 and 10 minutes, staying constant until 15 minutes, then decreasing back to 100 by 30 minutes.
1.

Is 250 in the range of function WW? Explain how you know.

2.

Describe the range of the function.

3.

Does W(t)=0W(t)=0 have a solution? Explain how you know.

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