Test Academy | Let the function ‘f’ be defined by f (x) = 5x² + 2 ∀ x ∈ R, then ‘f’ is onto function, one-one, onto function, one-one, into function, many-one into function

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Let the function ‘f’ be defined by f (x) = 5x² + 2 ∀ x ∈ R, then ‘f’ is

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onto function
one-one, onto function
one-one, into function
many-one into function

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