MathFundamentalsSets

Countable and uncountable sets

One-to-one correspondence

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Let $A = \{1,2,3,4,5\}, B = \{2, 4, 6, 8, 10\}$ .

Mark all functions which can be used to build a one-to-one correspondence between these two sets.

Select one or more options from the list

f(x) = 2\cdot x

f(x) = x

f(x)=x^2

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