" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
: -3a = -15 - b
: a= b/3+3
f(3) : 3a +b = 9
: 3(b/3+3) +b -9 = 0
: b+9+b-9 = 0
:2b = 0
: b = 0
subs b=0 ke -> a= b/3+3
: a = 3
jadi f(x) =3x
f(2) = 6
f(-2) = -6