" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
f(k) = 13
13 = 2k + 5
2k = 13 - 5
2k = 8
k = 4
f(k) = 2k = 13 - 5
f(k) = 2k = 8
f(k) = 8 ÷ 2
f(k) = 4