Mohon bantu ya
1. Dik: g(x) = 2x - 3
fog(x) = 8x^2 - 4x - 7
Dit: f(1)
2. Dik: f(x)=3x^2 - 1
fog(x) = 3x^2 + 6x + 2
Dit: g(x)
1. Dik: g(x) = 2x - 3
fog(x) = 8x^2 - 4x - 7
Dit: f(1)
2. Dik: f(x)=3x^2 - 1
fog(x) = 3x^2 + 6x + 2
Dit: g(x)
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3(g(x))^2-1= 3x^2+6x+2
3(g(x))^2=3x^2+6x+2+1
3(g(x))^2=3x^2+6x+3
g(x)^2=x^2+2x+1
g(x)^2=(x+1)^2
g(x)=x+1