f(-2x + 1) = 2x + 3. Tebtukan nilai f(-3)
Matematika
Rismakoppen
Pertanyaan
f(-2x + 1) = 2x + 3. Tebtukan nilai f(-3)
2 Jawaban
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1. Jawaban Yosuaudric
f(-3)=f(-2.2+1)
f(-2x+1) = 2x+3
f(3) = 2.2+3
f(3) = 7 -
2. Jawaban Syukriadi
Bab Fungsi Komposisi
Matematika SMA
f(-2x+1) = 2x+3
f(-2x+1) = -(-2x)-1+4
f(-2x+1) = -(-2x+1)+4
f(x) = -x+4
sehingga
f(-3) = -(-3)+4 = 3+4 = 7