Proving the Function f(x) = sqrt(x + 2) is One to One(Injective) using the Definition

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Proving the Function f(x) = sqrt(x + 2) is One to One(Injective) using the Definition
  1. The Math Sorcerer
  2. proof
  3. one to one
  4. injective
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Комментарии
Автор

Hey nice video. But won't you end up getting a=b everytime if you replace x with a and b in any equation?

jessexd
Автор

How about f(x) ^2 = x+2 ? Is it injective ?

chapmanchapman