16. Diketahui f (x)= 5x + 7 . Jika f (a) =2, maka nilai a = . ...... Di jawab ya pakai cara
Matematika
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Pertanyaan
16. Diketahui f (x)= 5x + 7 . Jika f (a) =2, maka nilai a = . ......
Di jawab ya pakai cara
Di jawab ya pakai cara
2 Jawaban
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1. Jawaban MrAZA01
f (x) = 5x + 7
f (a) = 5a + 7 = 2
5a + 7 = 2
5a = 2 - 7
5a = -5
a = -5/5
a = -1
Option ( A )
Semoga Membantu-_- -
2. Jawaban chrisayuni
f(x) = 5x + 7
f(a) = 2
5x + 7= 2
x = 2-7 / 5
x / a = -1