MHB Determining if a function is injective

markosheehan · Jul 16, 2016

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

Evgeny.Makarov · 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.

MHB Determining if a function is injective

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