berapa tnggi maksimun jika [tex]f(x) = - 16 x {}^{2} + 112x - 91[/tex]
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Pertanyaan
berapa tnggi maksimun jika
[tex]f(x) = - 16 x {}^{2} + 112x - 91[/tex]
[tex]f(x) = - 16 x {}^{2} + 112x - 91[/tex]
1 Jawaban
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1. Jawaban puputindahsari
a= -16 b= 112 c= -91
[tex] b^{2} [/tex] - 4 ac / -4a
112^{2} - 4 x -16 x -91 / -4 x -16
12544 - 5824 / 64 = 6720/64 = 105