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emmynimmy
 one year ago
The equation y = –5.131x2 + 31.821x – 3.333 approximates the number of people standing in line to catch a commuter train x hours after 5 a.m.
What is the best estimate for the number of people in line at 8 a.m.?
emmynimmy
 one year ago
The equation y = –5.131x2 + 31.821x – 3.333 approximates the number of people standing in line to catch a commuter train x hours after 5 a.m. What is the best estimate for the number of people in line at 8 a.m.?

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anonymous
 one year ago
Best ResponseYou've already chosen the best response.08 is apparently 3 hours after 5 right?

emmynimmy
 one year ago
Best ResponseYou've already chosen the best response.0those are the choices.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0whatever, as the kids say replace \(x\) by \(3\) use a calculator i use this http://www.wolframalpha.com/input/?i=+%E2%80%935.131*3^2+%2B+31.821*3+%E2%80%93+3.333

emmynimmy
 one year ago
Best ResponseYou've already chosen the best response.0Thanks! Can you help with the second one?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0this requires some some of program or way way more arithmetic than i can do we can cheat though

emmynimmy
 one year ago
Best ResponseYou've already chosen the best response.0i mean do you know the answer?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0no let me try to use wolfram

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0don't say i never did anything for you note the syntax of what i wrote in wolfram http://www.wolframalpha.com/input/?i=quadratic+%282%2C10.1%29%2C%284%2C7.3%29%2C%286%2C5.9%29%2C%287%2C5.1%29%2C%2811%2C6.3%29%2C%2812%2C8.2%29%2C%2815%2C8.8%29

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0looks like the last one we could have guessed actually, i can tell you how if you like

emmynimmy
 one year ago
Best ResponseYou've already chosen the best response.0i don't know how to work the wolf thing so thats why im asking you to do them (:

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0how the hell are you supposed to do this?

emmynimmy
 one year ago
Best ResponseYou've already chosen the best response.0i have no idea, and this is supposed to be the "easiest" math.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0only the last two make sense the first two are not in the right form i would guess C cause when in doubt, Charlie out, but i guess we can try something this stuff is for computers

emmynimmy
 one year ago
Best ResponseYou've already chosen the best response.0should i go ahead and answer?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0it decreases, so the base has to be less than one it is the last one by process of elimination

emmynimmy
 one year ago
Best ResponseYou've already chosen the best response.0yay thank you now lets see if they're right..

emmynimmy
 one year ago
Best ResponseYou've already chosen the best response.0yep! awesome thanks.

emmynimmy
 one year ago
Best ResponseYou've already chosen the best response.0I have a practical math test and a geometry test but i honestly feel so sick and i hate math so i can't even do them right now.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0"practical math" lol

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0you familiar with chuck berry?
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