Jawab: 37
Penjelasan dengan langkah-langkah:
f(x) = ax+b
maka
f(-1) = -1a+b = 5
f(2) = 2a+b = 17
eliminasi f(-1) dan f(2)
didapat 3a = 12 dan a = 4
substitusi ke f(-1) atau f(2) didapat hasil b = 9
jadi f(x) = 4x+9
f(7) = 4(7)+9 = 37
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
semoga mengerti
Jawab: 37
Penjelasan dengan langkah-langkah:
f(x) = ax+b
maka
f(-1) = -1a+b = 5
f(2) = 2a+b = 17
eliminasi f(-1) dan f(2)
didapat 3a = 12 dan a = 4
substitusi ke f(-1) atau f(2) didapat hasil b = 9
jadi f(x) = 4x+9
f(7) = 4(7)+9 = 37