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April 17, 2014

April 17, 2014

Posted by **Betty** on Sunday, January 29, 2012 at 8:43pm.

P(x)= -.1(100)^2 +50(100)+300= 3,700,000

P(x)= -.1(150)^2 +50(150) +300= 4,950,000

P(x)= -.1(250)^2 +50(250) +300= 5,950,000

P(x)= -.1(350)^2 +50(350) +300= 4,950,000

P(x)= -.1(450)^2 +50(450) +300= 1,950,000

- Algebra -
**Reiny**, Sunday, January 29, 2012 at 9:37pmI don't know how you got these.

I will do the third one

P(250) = -.1(250)^2 + 50(250) + 300

= -.1(62500) + 125000 + 300

= -6250 + 12500+300

= 6550

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