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What are the six appropriate and seven taboos of living room feng shui?
1, open the door should be taboo; 2. Decoration should be avoided; 3, hanging pictures should be taboo; 4. Avoid light; 5, the sofa should be taboo; 6. Colors should be avoided; 7, beam taboo
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Master Ta (Koucai \ wei/:6,148,867)
Let the analytic formula of quadratic function be y=a(x- 1)2+5,
Substitute (0, -3) to get a(0- 1)2+5=-3,
The solution is a=-8,
So the analytic formula of quadratic function is y =-8 (x- 1) 2+5.