CUSAT 2022 BTech Solved Paper Shift 2

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Question : 123 of 200

Marks: +1, -0

Which of the following function is not one to one?

g:▯→▯,g(x)=2x+5
g:[0,π]→[−1,1],g(x)=cos‌x
g:[‌
−π
2
,‌
π
2
]→[1,7],g(x)=3sin‌x+4
g:▯→[−1,1],g(x)=sin‌x

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