The table below is drawn for a graph y = x3 - 3x + 1. x−3−2−10123y=x3−3x+11−131−131 x − 3 − 2 − 1 0 1 2 3 y = x 3 − 3 x + 1 1 − 1 3 1 − 1 3 1 From x = -2 to...

Assessment: JAMB UTME - Mathematics - 1984 Subject: General Mathematics

Question 1 Report

The table below is drawn for a graph y = x3 - 3x + 1.

$\begin{array}{cc} x & - 3 & - 2 & - 1 & 0 & 1 & 2 & 3 \\ y = x^{3} - 3 x + 1 & 1 & - 1 & 3 & 1 & - 1 & 3 & 1 \end{array}$

From x = -2 to x = 1, the graph crosses the x-axis in the range(s)

-1 < x < 0 and 0 < x < 1

-2 < x < -1 and 0 < x < 1

-2 < x < -1 and -1 < x < 0

0 < x < 1

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