f(X)=X²-1 . tentukanlah f(-3),f(-1),f(0),f(2),dan f(3).
Matematika
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Pertanyaan
f(X)=X²-1 . tentukanlah f(-3),f(-1),f(0),f(2),dan f(3).
1 Jawaban
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1. Jawaban Duddu
f (-3) = (-3)x(-3)-1 = 9-1 = 8
f (-1) = (-1)x(-1)-1 = 0
f (0) = 0x0-1 = -1
f (2) = 2x2-1 = 3
f (3) = 3x3-1 = 8