cubic in factor form
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- mathsurgery.wikispaces
What is the relationship between the factors of a cubic function and the shape of its graph?
Pay close attention to the roots.
How can you tell whether it is generally ascending (going up) from left to right or descending?
How can you determine the y-interecept?
More questions and ideas at http://mathsurgery.wikispaces.com/C1+chapter+4+-+sketching+curves