CUSAT 2021 BTech Solved Paper Shift 2

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Question : 229 of 250

Marks: +1, -0

If the function f:▯→▯ is defined by f(x)=(x2+1)10, for all x∈▯, then f is

one-one but not onto
onto but not one-one
neither one-one nor onto
both one-one and onto

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