Question

Tell me a some basic terms related bijective.

1:A function of F:R --->is defined by f(x)=x²-1,is f one to one an onto.​

Answer 1

• No

Explanation:

The answer is no since f(-x) = f(x)

Example:

• f(-1) = 1 - 1 = 0
• f(1) = 1 - 1 = 0

It is not one-to-one, it is two-to-one