1 FindMaximum[f,{x,x0,x1}] searches for a local maximum in f using x0 and x1 as the first two values of x, avoiding the use of derivatives.  FindMaximum[f,{x,x0,xmin,xmax}] searches for a local maximum, stopping the search if x ever gets outside the range xmin to xmax.
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Whether you handle your divorce yourself or hire an attorney, there will be extra costs. State courts charge a filing fee for a divorce petition, usually in the neighborhood of $200. If you use a sheriff or private process server to deliver your petition to your spouse, this will cost an additional $35 to $100.