If f:R->R, and f(x)=ax + sinx +a, then f(x) is one-one function if a belongs to Rf(x) is one-one function if a belongs to R -[-1,1]f(x) is one-one function if a belongs to R – {0}f(x) is one-one function if a belongs to R – {-1}
abhishek , 5 Years ago
Grade 12th pass
1 Answers
Arun
Last Activity: 5 Years ago
Dear student
f’(x) = a + cos x
hence its value is always between a – 1 to a + 1
if a> 1
then f(x) is increasing function hence one one
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