A) One-to-one and onto
B) One-to-one but not onto
C) Onto but not one-to-one
D) Neither one-to-one nor onto
Correct Answer: A
Solution :
\[{f}'(x)=2+\cos x>0\]. So, \[f(x)\] is strictly monotonic increasing so, \[f(x)\] is one-to-one and onto.You need to login to perform this action.
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