Answers

2016-06-22T20:42:44+08:00
1. Quadratic 2.Not Quadratic 3.Quadratic 4.Not quadratic. 5.Quadratic
1. w(w+8) = 105 -> w2 + 8w = 105
4.4000x + 25000 = 625000 
Sorry, i didnt answer it all. It's for you to find out the others.
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