Inverse Functions (Complete Guide)
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- Опубликовано: 15 сен 2024
- Learn about inverse functions in this complete guide. We discuss how to find the inverse of a function intuitively as well as algebraically. We discuss inverse function notation as well as the graphic interpretation of the inverse. In addition, know how to tell if the inverse of a function is a function as well as how to verify that functions are inverses of each other by using composition of functions. Lastly, we discuss how to restrict the domain of a function so that it's inverse will be a function.
0:40 What is a Function and Terminology
1:08 Some Examples of Inverse Functions
1:30 Introductory Example Find Inverse Given Coordinates
1:58 Intuitive Way of Finding the Inverse of y=2x-1
3:01 Algebraic Way of Finding the Inverse of y=2x-1
3:36 Looking at the Graph of a Function and it's Inverse
4:43 Find the Inverse of f(x)=(1/3)x+7
5:30 Notation for Writing the Inverse Function
5:49 More Challenging Example: Find Inverse of f(x)=(2x+3)/(x-4)
7:30 Vertical Line Test and Horizontal Line Test
9:20 Verifying Functions are Inverses Using Composition of Functions
12:00 Restrict the Domain of f(x)=2x^2 - 1 so that it is a Function
13:13 What Happens to the Domain & Range when you Find Inverse
Related Videos:
Find Inverse and State Domain Restriction
• Find Inverse and State...
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Hi Mario, you are one of the best math teachers I have seen so far. Your teaching is so clear and so good making complex math simple. Well done. I wish other math teachers can learn from you.
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Thank you so much for this video, it is incredibly helpful! Please make more of these guides!
More to come!
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As someone who is interested in teaching math, what are some things you do before making these videos? Do you review the techniques and concepts or is all the information just perfectly stored in your memory? Personally, I struggle with keeping everything in my mind and find it discouraging when I can't dish out all that I've learned in my college courses.
Good question! I’ve been tutoring math for many years so I’ve try to refine the explanations over the years to try and make it easier for students to grasp. You can use my videos and others on RUclips to give you inspiration and I’m sure you will develop your own preferred style of teaching. Hope that helps …
Great, and thorough explanation. Thanks!
Excellent, very concise and clear!! Thank you!
Excellent introductory on inverse functions, my only criticism is that the adds are in a very inappropriate time. Please make sure they are played when you are computing and not when you are explaining .
Great treatment of the commonly encountered question types found and concepts in such a short video. Probably a little too much breadth form my typical students who are quire weak. However, rock solid stuff for a student with a little more skill.
Thank youu so much sir I love ur teaching skills. Thank youuuuuu!
omg you are awesome !!! i understood everything!!! thanks a lot)))
Very well explained!
Hi, for the last question, what transformation does the denominator indicate? x + 1 clearly indicates that the function will be neither stressed or compressed, but rather shifted 1 unit to the left. On the other hand, I believe that the denominator is not associated with the “x”. So what transformation would it have?
Shift, Stretch, Reflect Parent Functions by Identifying Transformations and Graph
ruclips.net/video/P9YkiWp9DHQ/видео.html
Thank you sir, very clear
Finally 👍.
Thank you Mario .
You’re welcome!
what is the inverse function of F^-1(T) when T={3, 5, 4} ? is it {-3, -5, -4}?
How will I know which inverse function choose in restricting the domain
thanks mario
Thank
I need help with really hard word problems
Regarding quadratics, completing the square, and factoring
Thanks for the video. Would have been better with clear hand writing
first