jika f(x) = -2x +7 dan jika f(k) = 27, tentukan nilai k
Matematika
zahriin
Pertanyaan
jika f(x) = -2x +7 dan jika f(k) = 27, tentukan nilai k
2 Jawaban
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1. Jawaban ahreumlim
f(x) = -2x + 7
f(k) = 27
-2k + 7 = 27
-2k = 27 - 7
-2k = 20
k = 20/-2
k = -10 -
2. Jawaban MicoArrafi
f(x) = -2x + 7
f(k) = -2k + 7
27 = -2k + 7
2k = 7 - 27
2k = -20
k = -10