Question icon
Algebra

Doubt if functions.... Please solve it.... Answer is C...... Thank you.....

Question image for Doubt if functions.... Please solve it.... Answer
Profile image of Subinoy Karmakar
7 Years agoGrade
Answers icon

1 Answer

Profile image of Anish Singhal
ApprovedApproved Tutor Answer7 Years ago
Because cosx and greatest integer x both are not one one function hence f(x) is not one one and see reange wont be all real numbers quite easy to figure out from the function, hence into