How To Find The Domain of a Function – Radicals, Fractions & Square Roots – Interval Notation
How To Find The Domain of a Function – Radicals, Fractions & Square Roots – Interval Notation
This algebra video tutorial explains how to find the domain of a function that contains radicals, fractions, and square roots in the denominator using interval notation. This video contains plenty of examples and practice problems and is useful for students in algebra and precalculus.
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Very helpful, thank you very much.
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i have trouble with finding the domain of a radical logarithm function. Please make a video about it if you can.
If you have trouble understanding, try and watch this video more than once and the more you watch the more you’ll understand.
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I don’t understand this
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Why the inequality did not equal to 0 at 11:03?. How does the square root make a difference? @The Organic Chemistry Tutor
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What is the denominator for example is 2b^2 + 11b – 6 = 0.
I tried doing it the way you said but the function didn’t work with factoring out the problem because (6×1) = 6 but doesn’t add up to 11 and (3×2) = 6 but that does add up to 11 either even if you try to put as a negative. So what do you do to solve that function?
Hmm
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There is a mistake, for the last function the domain should be (-4,-3] united with (4,infinity)
I’m a little confused at 5:56. How is it all real numbers? hmmmmmm………
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What if in that first expression "x" = 7/2?
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I got a math problem i am stuck on. F(x)=7+ square root of a+8. Any recommendations?
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Here’s a summary of the restrictions which seperate:
Restrictions In Domain:
• Log (x + 1) > Has to be positive (greater than 0)
• Square roots ( x > 0) Has to be positive
• Denominators: 1/x ( x cannot equal zero)
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God bless u brother, tomorrow I have a class test and I was having a problem finding a domain but this video has helped me a lot .Tomorrow, I would score some good marks
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