Home › Forums › Math › If f(x) = 3x^2+1 and g(x) = 1 – x, what is the value of (f – g)(2)? › Reply To: If f(x) = 3x^2+1 and g(x) = 1 – x, what is the value of (f – g)(2)? July 19, 2021 at 1:15 pm #9911 nazrinaParticipantUp0Down::Given: f(x) = 3x² + 1 g(x) = 1 – xTo find: (f – g)(2)Solution: (f-g)(x) = f(x)-g(x) (f-g)(x) = (3x² + 1)-(1-x) (f-g)(x) = 3x²+x (f-g)(2) = 3(2)² + 2 (f-g)(2) = 12+2 (f-g)(2) = 14Therefore the correct option is (b)
