Domain and Range

The function g(t) = -2t + 100 represents the percentage remaining of a student's workout session after t minutes. The function is modeled by the graph.

Which statement describes the DOMAIN?

• The domain is all real numbers

Which choice correctly describes the RANGE of this graph?

• all real numbers

Select the DOMAIN of the graph shown.

​ (a)  

• all real numbers

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A student rode a bike from school to a recreation center. The graph shows the student’s distance in miles from the recreation center after riding the bike for x minutes.

What is the RANGE of the function of this situation?

• All real numbers greater than or equal to 0 and less than or equal to 28

• All real numbers greater than or equal to 0 and less than or equal to 9

• All real numbers less than or equal to 28

• All real numbers less than or equal to 9