Implied Domain

Implied Domain
  • Currently 3.0/5 Stars.
6368 views, 1 rating - 00:03:22
Part of video series Relations and Functions
Taught by mrbrianmclogan
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After finding the domain, the teacher said that you did not have to write x does not equal -3 because -3 is greater than -5. However, because -3 is greater than -5, you DO have to write x does not equal -3. So the domain is all real numbers >= -5 but not equal to -3.
Here I show how to find the implied domain
  • What is implied domain?
  • What is the implied domain of (square root of 5 + x)/(x + 3)?
  • How do you find the implied domain of a function?
This is a good lesson showing how to express the domain of a function and find the values that either make the function undefined or make the function non-real.
  • Currently 3.0/5 Stars.
Reviewed by MathVids Staff on December 30, 2011.
 
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