tolong no. 17,18,19 pakai cara yaa..
Matematika
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Pertanyaan
tolong no. 17,18,19 pakai cara yaa..
1 Jawaban
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1. Jawaban fatimah3085
17) f(x) = - 2x + 7
f(k) = -2k + 7
17 = - 2k + 7
17 - 7 = - 2k
10 = - 2k
k = - 5