1.) Diketahui = f ( x ) = 1 - 2x gof ( x ) = 6x + 7 Tentukan = g ( 2x + 5 ) 2.) Diketahui f ( x ) = x2 - x g ( x ) = 4x + 5 Tentukan = a.) fog ( x ) b.) gof (
Matematika
Sripangestuti521
Pertanyaan
1.) Diketahui = f ( x ) = 1 - 2x
gof ( x ) = 6x + 7
Tentukan = g ( 2x + 5 )
2.) Diketahui f ( x ) = x2 - x
g ( x ) = 4x + 5
Tentukan = a.) fog ( x )
b.) gof ( x )
3.) Jika g ( x ) = x2-5x-7 , tentukan nilai p>0 agar g ( p ) = 7 ...
gof ( x ) = 6x + 7
Tentukan = g ( 2x + 5 )
2.) Diketahui f ( x ) = x2 - x
g ( x ) = 4x + 5
Tentukan = a.) fog ( x )
b.) gof ( x )
3.) Jika g ( x ) = x2-5x-7 , tentukan nilai p>0 agar g ( p ) = 7 ...
1 Jawaban
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1. Jawaban GenthoPray135
g(fx) = 6x + 7
g(1 - 2x) = -3(1 - 2x) + 10
misal a = 1 - 2x
g(a) = -3a + 10
g(x) = 10 - 3x
g(2x + 5) = 10 - 3(2x + 5)
= 10 - 6x -15
= -6x - 5