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September 21, 2014

September 21, 2014

Posted by **Ann** on Monday, September 30, 2013 at 10:45pm.

What would the cost be for x ≥ 230?

I really don't know how to do this...I thought the answer would be C(x) = 3x, but it's not. please help

- Pre-Calculus -
**Lala**, Monday, September 30, 2013 at 10:51pmC(x) = 14 ( 150) + 6 (230-150) + 3x

- Pre-Calculus -
**Ann**, Monday, September 30, 2013 at 11:00pmI solved that and got C(x) = 2580 + 3x, but apparently it's still not the right answer...

- Pre-Calculus -
**Steve**, Monday, September 30, 2013 at 11:23pmactually, that's 6(229-150)

- Pre-Calculus -
**Ann**, Monday, September 30, 2013 at 11:27pmSo the answer is C(x)= 2574 + 3x?

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