f(x) = x² - 7x +6 . jika f(a) = -1 . tent nilai a
Matematika
dawni
Pertanyaan
f(x) = x² - 7x +6 . jika f(a) = -1 . tent nilai a
1 Jawaban
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1. Jawaban gresiajuniarty11
f(x) = x2 - 7x + 6
f(a) = -1
f(-1)= (-1)2 - 7(-1) + 6
f(-1) = 1 - (-7) + 6
f(-1) = 1 + 7 + 6
f(-1) = 8 + 6
f(-1) = 14
jadi a = 14