Diketahui f(2x+1)=4x^2+2x-5 maka f(2)=...
Matematika
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Pertanyaan
Diketahui f(2x+1)=4x^2+2x-5 maka f(2)=...
1 Jawaban
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1. Jawaban Anonyme
f(2x + 1) = 4x² + 2x - 5
f(2) = _?
2x + 1 = 2 ---> x = 1/2
f(2) = 4(1/2)² + 2(1/2) - 5
f(2) = 1 + 1 - 5
f(2) = -3 ✓