Jul 16, 2016 #1 markosheehan Messages 133 Reaction score 0 is the function x³-5x²+3x+5 injective. how can you tell
Jul 16, 2016 #2 Evgeny.Makarov Gold Member MHB Messages 2,434 Reaction score 4 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.
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.