McGraw Hill Integrated II, 2012
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McGraw Hill Integrated II, 2012 View details
Practice Test
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Exercise 26 Page 161

Recall that domain is the set of possible x-values and range is the set of possible y-values.

Domain: { all real numbers }
Range: { y | y≥ - 2 }

Let's look at the graph.

We can see in the graph that the x-values extend to infinity in both directions. Thus, the domain is all real numbers. Domain: {all real numbers } The y-coordinate of the lowest point (- 3, - 2) is - 2. Thus, the range of the function is all real numbers greater than or equal to - 2. Range: { y | y ≥ - 2 }