f(x) = -x² - 2x + 8
Penjelasan dengan langkah-langkah:
f(0) = (0,8), berarti c =8
f(x) = (x -(-4))(x - 2)
= (x + 4)(x - 2)
= x² - 2x + 4x - 8
= x² + 2x - 8
karena c = 8 dan ternyata hasil diatas = -8, maka dikli -1
f(x) = -1(x² + 2x - 8)
= -x² - 2x + 8
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f(x) = -x² - 2x + 8
Penjelasan dengan langkah-langkah:
f(0) = (0,8), berarti c =8
f(x) = (x -(-4))(x - 2)
= (x + 4)(x - 2)
= x² - 2x + 4x - 8
= x² + 2x - 8
karena c = 8 dan ternyata hasil diatas = -8, maka dikli -1
f(x) = -1(x² + 2x - 8)
= -x² - 2x + 8