Mercator chart
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Unit 6: Curve Sketching
Ex 1) Analyze & Sketch f(x) = 2x3-3x2-3x+2
Domain: D={XER} -1| 2, -3, -3, 2
Intercepts: 0=2³-3²-3+2 -2, 5, 2
0=0 (x+1) 2, -5, 2, 0
Y-int: (x+1)(2x²-5x+2)=0
f(0) = 2 (x+1)(x-2)(2x+1)=0
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