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anonymous
 5 years ago
How should I sketch the two functions in 1A1 in Problem Set 1?
anonymous
 5 years ago
How should I sketch the two functions in 1A1 in Problem Set 1?

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anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0I'm not sure but i don't think there is much to sketching parabolas. Set y=0 to get the xintercepts. Quadratic formula or factoring. You can find the one critical point which, knowing the graph of a concave up parabola, is the global minimum. (You can also complete the square to get the parabola into vertex form) I was taught that with 3 points you can graph a parabola and what better three points than the most important.
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