Inverse Functions - Understand in 10 Minutes

[@Max2chess]

I am 54 years old trying to learn to help my son. And I love your video. Excellent.

[@mr.pringles340]

W dad

[@chris-hj2qd]

Your videos are great. Thank you; I hope karma rewards you handsomely for spreading such love of math.

[@jamesmccamish3901]

Thank you, great explanation in only 10 minutes!

[@ntakanande7479]

Excellent, I'm writing my trial today, Thank you I understand inverses now.

[@innovativeisaac8835]

Thank you.

[@godglorycarrier5901]

Thank you for this video its helpfull

[@sandy8271]

Thank you for this video. Why does f(x) = X^2-2 not have an inverse? We can still solve it to get +/-SQRT(X+2). Can you explain? Thanks.

[@rosepierce9382]

f(x) = sqrt(x+2) is not a function because it gives you two outputs for every x-value you plug in. That wouldn't be a function by definition. Generally, even powered functions all have this problem when you're trying to find their inverses. In other words, both -2 and 2 give you 4 when you plug them into f(x) = x^2, so when we take the inverse of this function, which is f(x) = sqrt(x), you're going to get two outputs which would be a problem. A function's domain is going to be the inverse function's range. Hope that helps.

[@willcucked5575]

because you take the output of a function and consider it as the input to get the inverse function, which mean that if there are multiple inputs possible its a relation and not a function.

[@teachingwithmisszoyaali3201]

Thank you so much..

[@mujermujeron4713]

I am struggling with so call easy, algebra graphing linear slopes, I'm a mess any advice and I'm not young

[@Carmen-sp4vf]

This video lost me at assuming that I know something about functions. I need videos/teachers to start a lesson assuming that the student knows nothing. Teach me from scratch. I have found when a teacher starts with I'm assuming that you know...they are going to gloss over everything. Nothing will really be taught.

[@thatomofolo452]

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