The function f(x) = +° + 3x is increasing in interval Class 12th Mathematics, Question Paper 2023: The function f(x) = +° + 3x is increasing in interval By Rohit Sharma - March 11, 2023 These are the options for the Question: The function f(x) = +° + 3x is increasing in interval (a) (-00, 0) (b) (0, co) (c) R (d) (0, 1)