1. Tiket 2 fungsi f(x = 2x-1 dan g(x = x²-3x + 5 tentukan (gof(x 2. Diketahui f(x =2x²-4x+ 5 tentukan f(x+3? 3. Diket (fog (x = 2x²-4x-3 dan g(x = x+3 tentukan
Matematika
alfinaoktavia14
Pertanyaan
1. Tiket 2 fungsi f(x = 2x-1 dan g(x = x²-3x + 5 tentukan (gof(x
2. Diketahui f(x =2x²-4x+ 5 tentukan f(x+3?
3. Diket (fog (x = 2x²-4x-3 dan g(x = x+3 tentukan f(x
Bantu jawab yaa, butuh banget terimakasih
2. Diketahui f(x =2x²-4x+ 5 tentukan f(x+3?
3. Diket (fog (x = 2x²-4x-3 dan g(x = x+3 tentukan f(x
Bantu jawab yaa, butuh banget terimakasih
1 Jawaban
-
1. Jawaban Kurniafirda
1. gof (x)
= (2x-1)^2 - 3(2x-1) + 5
= 4x^2 - 4x + 1 - 6x + 3 + 5
= 4x^2 - 10x + 9
2. x + 3 = 0
x = -3
= 2(-3^2) - 4(-3) + 5
= 2(9) + 12 + 5
= 18 + 12 + 5
= 35