Question

if f:X-y is a bijective function and of n(X)=5,then n(y)=​

Answer 1

Answer:

A function f:A→B is bijective (or f is a bijection) if each b∈B has exactly ... the positive real numbers) given by f(x)=x5 and g(x)=5x are bijections. ◻.

Step-by-step explanation:

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Answer 2

Answer:

Step-by-step explanation:

Let f:X Y be a function. Prove that f^(-1):Y-X is a function if and only if f is a bijection.