Jawaban:
1.B
2.B
Penjelasan dengan langkah-langkah:
(fog)(x)= -3(2x+1)+9
= -6x+6
y= -6x+6
x=(6-y)/6
(fog)⁻¹(x)= (6-x)/6
nomer 2
(gof)(x)=x²+4x+6
(gof)(3)=3²+4(3)+6=27
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Jawaban:
1.B
2.B
Penjelasan dengan langkah-langkah:
(fog)(x)= -3(2x+1)+9
= -6x+6
y= -6x+6
x=(6-y)/6
(fog)⁻¹(x)= (6-x)/6
nomer 2
(gof)(x)=x²+4x+6
(gof)(3)=3²+4(3)+6=27