diketahui f(x) = 8b + 3. jika f(b) = -21, maka nilai b+4
Matematika
dohan5
Pertanyaan
diketahui f(x) = 8b + 3. jika f(b) = -21, maka nilai b+4
1 Jawaban
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1. Jawaban beargomm
f(b) = 8b + 3
-21 = 8b + 3
-21-3 = 8b
-24 = 8b
-24/8 = b
-3 = b
maka, b+4 = -3+4
= 1