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Tell weather the function is one-one or many one /into or onto

Asked by sudheerkapoor67 8th November 2017, 5:48 AM
Answered by Expert
for space straight x equals 1 space and space straight x equals negative 1 space we space get space same space value space " cos left parenthesis 1 right parenthesis "
so space it space is space many space one space function
if space the space domain space and space co minus domain space is space all space real space then space it space is space into space function
since space we space will space get space only space positive space real space in space range
Answered by Expert 11th December 2017, 1:58 PM
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