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One-to-One
Function
One-to-one Function
A function f is a one-to-one function if and only if every value in the range corresponds to exactly one value in the domain.
EXAMPLES
1. The relation pairing an SSS member to his/her SSS number.
2. The relation pairing a person to his or her thumb mark
HORIZONTAL LINE TEST
In this test, A function f is one-to-one when every horizontal line drawn intersects the graph of f at exactly one point.
INVERSE OF A ONE-TO-ONE FUNCTION
how to find the inverse of a function?
watch the video
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