1.11: Cubic sketch and inequality

0606/13/O/N/20 — Question 1 · 5 marks

(a)
On the axes below, sketch the graph of y=(x2)(x+1)(3x)y = (x - 2)(x + 1)(3 - x), stating the intercepts on the coordinate axes.
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(b)
Hence write down the values of xx such that (x2)(x+1)(3x)>0(x - 2)(x + 1)(3 - x) > 0.
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