Determining if a function is injective

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Thread starter markosheehan
Start date Jul 16, 2016
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markosheehan

Thread starter
Jul 16, 2016

is the function x³-5x²+3x+5 injective. how can you tell

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Evgeny.Makarov

Gold Member

MHB

Jul 16, 2016

Re: calculus

You can determine if the function has a local extremum. If a function is continuous and has, say, a maximum, then it is not injective since it assumes the same values on both sides of that point of maximum.

Determining if a function is injective

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Determining if a function is injective

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