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JAMB - Mathematics (1994 - No. 40)

The equation of the graph is
y = (x - 3)3
y = (x + 3)3
y = x3 - 27
y = -x3 + 27

解释

y = x3 - 27, y = -27 \(\to\) (0, -27)

when y = 0, x = 3 (3, 0)

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