" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
f(-5) => -5a+b = -19
------------------ -
7a = 21
a = 3
2a+b = 2
2(3)+b=2
6+b = 2
b = -4
f(-3) = -3a+b
= -3(3)-4
= -9-4
= -13