Fungsinf(x)=x²-4x+2 dan fungsi g(x)=3x-7 tentukan f bundaran g

[tex]f(x) = {x}^{2} - 4x + 2 \\ g(x) = 3x - 7 \\ \\ fog(x) = f(g(x)) \\ = {(3x - 7)}^{2} - 4(3x - 7) + 2 \\ = 9 {x}^{2} - 42x + 49 - 12x + 28 + 2 \\ = 9 {x}^{2} - 54x + 79[/tex]