Jika f(x – 2) = x² + 2x – 2, rumus fungsi f(x + 1) adalah....(jawaban harus pake cara)
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Jika f(x – 2) = x² + 2x – 2, rumus fungsi f(x + 1) adalah...
Jawab:
f(x+1) = x² + 8x + 13
Penjelasan dengan langkah-langkah:
f(x+1) = f (x-2+3)
Jadi,
f(x-2)=x²+2x-2
f(x-2+3)=(x+3)²+2(x+3)-2
f(x+1)=(x²+6x+9)+(2x+6)-2
f(x+1)=x² + 6x + 2x + 9 + 6 - 2
f(x+1) = x² + 8x + 13