Jawaban:
1. E
2.C
Penjelasan dengan langkah-langkah:
F(x)= -3x+9
Y= -3x+9
x=(9-y)/3
F⁻¹(x)=(9-x)/3= (x-9)/(-3)
nomer 2
g(x)=x+3
g(-8)=(-8)+3= -5
f(x)=x²+4x+3
(fog)(-8)=(-5)²+4(-5)+3=8
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Jawaban:
1. E
2.C
Penjelasan dengan langkah-langkah:
F(x)= -3x+9
Y= -3x+9
x=(9-y)/3
F⁻¹(x)=(9-x)/3= (x-9)/(-3)
nomer 2
g(x)=x+3
g(-8)=(-8)+3= -5
f(x)=x²+4x+3
(fog)(-8)=(-5)²+4(-5)+3=8