emmynimmy
  • emmynimmy
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.?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
At vero eos et accusamus et iusto odio dignissimos ducimus qui blanditiis praesentium voluptatum deleniti atque corrupti quos dolores et quas molestias excepturi sint occaecati cupiditate non provident, similique sunt in culpa qui officia deserunt mollitia animi, id est laborum et dolorum fuga. Et harum quidem rerum facilis est et expedita distinctio. Nam libero tempore, cum soluta nobis est eligendi optio cumque nihil impedit quo minus id quod maxime placeat facere possimus, omnis voluptas assumenda est, omnis dolor repellendus. Itaque earum rerum hic tenetur a sapiente delectus, ut aut reiciendis voluptatibus maiores alias consequatur aut perferendis doloribus asperiores repellat.
chestercat
  • chestercat
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anonymous
  • anonymous
8 is apparently 3 hours after 5 right?
emmynimmy
  • emmynimmy
77 46 40 32
emmynimmy
  • emmynimmy
those are the choices.

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More answers

emmynimmy
  • emmynimmy
anonymous
  • anonymous
whatever, 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
  • emmynimmy
Thanks! Can you help with the second one?
anonymous
  • anonymous
lol how?
anonymous
  • anonymous
this requires some some of program or way way more arithmetic than i can do we can cheat though
anonymous
  • anonymous
some *sort
emmynimmy
  • emmynimmy
i mean do you know the answer?
anonymous
  • anonymous
no let me try to use wolfram
emmynimmy
  • emmynimmy
okay thanks.
anonymous
  • anonymous
don'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
  • anonymous
looks like the last one we could have guessed actually, i can tell you how if you like
emmynimmy
  • emmynimmy
thank you so much!
emmynimmy
  • emmynimmy
emmynimmy
  • emmynimmy
i don't know how to work the wolf thing so thats why im asking you to do them (:
anonymous
  • anonymous
how the hell are you supposed to do this?
emmynimmy
  • emmynimmy
i have no idea, and this is supposed to be the "easiest" math.
anonymous
  • anonymous
only 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
  • emmynimmy
should i go ahead and answer?
anonymous
  • anonymous
no!!
anonymous
  • anonymous
it decreases, so the base has to be less than one it is the last one by process of elimination
emmynimmy
  • emmynimmy
yay thank you now lets see if they're right..
emmynimmy
  • emmynimmy
yep! awesome thanks.
anonymous
  • anonymous
yw
anonymous
  • anonymous
hope you are done!
emmynimmy
  • emmynimmy
I 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
  • anonymous
yeah put it off
anonymous
  • anonymous
"practical math" lol
anonymous
  • anonymous
you familiar with chuck berry?

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