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A function f : A rarrB, where A={x:-1lex...

A function `f : A rarrB`, where `A={x:-1lexle1} and B={y//1leyle2}` is defined by the rule `y=f(x)=1+x^(2)`. Which of the following statements is then true?

A

a){2}

B

b){3}

C

c)3

D

d)`phi`

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