f(x) = 3x² + x - 7
g(x) = 2x + 1
(f¤g)(x) = 3(2x + 1)² + (2x + 1) - 7
= 3(4x² + 4x + 1) + 2x + 1 -7
= 12x² + 12x + 3 + 2x - 6
= 12x² + 14x - 3
kurang lebih seperti ini
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
f(x) = 3x² + x - 7
g(x) = 2x + 1
(f¤g)(x) = 3(2x + 1)² + (2x + 1) - 7
= 3(4x² + 4x + 1) + 2x + 1 -7
= 12x² + 12x + 3 + 2x - 6
= 12x² + 14x - 3
kurang lebih seperti ini