" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
Verified answer
F(-1) + f(1) + f(3)= (3 × (-1) + 1) + (1² + 1) + (2.3 + 3)
= (-2) + (2) + (9)
= 9