Answer :


This is for one of them
${teks-lihat-gambar} KyraMae
11)
F(x) = 3x + 27
0 = 3x + 27
-3x = 27
-x = 27/3
-x = 9
x = -9

13)
F(x) = x^2 - 2x
0 = x^2 - 2x
0 = x (x - 2)

That’s all I can do for 13, sorry

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