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a. Find the vertex and intercepts.
b. Sketch the graph.
c. Confirm your sketch using PLOT CONIC from the accompanying disk, or another suitable graphing program.
Find the vertex and intercepts of the following parabolas, and sketch the graph. Find decimal approximations for any radicals you encounter.
The average speed is given by the formula
where is the distance passed in time . Substituting and into the formula, we calculate the average speed:
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