4 JEE Main 2017 Functions previous-year questions with verified answers and step-by-step solutions.
These are the JEE Main 2017 previous-year questions from the Functions chapter of Mathematics. Each links to a full solution with a verified answer key. To see the whole chapter across all years, visit the Functions chapter hub.
Let f x = 2 10 x + 1 and g x = 3 10 x - 1 . If f o g x = x , then x is equal to:
The function f   : R → - 1 2 , 1 2 defined as f x = x 1 + x 2 , is:
The function f   : N → I defined by f x = x - 5 x 5 , where N is the set of natural numbers and x denotes th…
Let a ,   b ,   c ∈ R . If f x = a x 2 + b x + c is such that a + b + c = 3 and f x + y = f x + f y + x…