Question 614920
f(x) = (x + 6)(x + 2)(x – 4) 
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You have x-intercepts at x = -6, x = -2, and x = 4
You have a y-intercept at f(0) = (6*2*-4) = -48
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As x goes to -oo, y goes to -oo
As x goes to +oo, y goes to +oo
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Plot a few more points and sketch the curve:
{{{graph(400,400,-20,20,-60,60,(x+6)(x+2)(x-4))}}}
Cheers,
Stan H.