# Domain and Range of Three Graphs

Taught by mrbrianmclogan
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Meets NCTM Standards:
Errors in this video:

At the 5:12 mark of the video, the instructor states the domain of the square root of x to be zero to infinity. His curved bracket does not include zero, but zero is in the domain of the function.He made similar mistakes in two other places. He should have included 1 in the range of y=x^2 +1, and he should have included zero in the range of the square root of x.

Lesson Description:

How to determine the domain and range of three graphs

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Questions answered by this video:
• How do I find the domain of a function?
• How do I find the range of a function?
• #### Staff Review

• Currently 2.0/5 Stars.
The instructor shows how to find the domain and range of several functions by looking at the graphs of the functions.