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Unformatted text preview: found in this step to complete the rest of the steps. f ( x ) = ( x- a )( x + b )( x- c ). . . 5. Determine whether or not the graph passes through each x-intercept. For each factor ( x- c ) k of the function f : œ If k is even , the graph will intersect but not cross the x-axis at ( c , 0). œ If k is odd , the graph will cross the x-axis at ( c , 0). 6. Make a T-chart with more points. f Choose values for x that lie closely to the right and left of each x-intercept on the number line. f Substitute values for x into the factored form of the function, not the expanded form found in step 1. f Pay attention to signs when you are simplifying. x y 7. Sketch the graph. Your graph should be a smooth, continuous curve that contains at most ( n- 1) turning points . Do not include any sharp corners or unnecessary humps....
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- Spring '08
- A. B., Rational Zero Test, correct descending order, far-right behavior, far-left