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What is into and onto fuction …

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What is into and onto fuction ?

    • Posted by Paras Jain 4 years, 1 month ago

    CBSE > Class 12 > Mathematics
    • 1 answers

    Shraddha ✨✰✰ 4 years ago

    A function is surjective or onto if each element of the codomain is mapped to by at least one element of the domain. In other words, each element of the codomain has non-empty preimage. Equivalently, a function is surjective if its image is equal to its codomain. A surjective function is a surjection. & Let f : A ----> B be a function. There exists even a single element in B having no pre-image in A, then f is said to be an into function. ....

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