Determine all inflection points. 5x y = x20 x+ 16 What are the coordinates of the inflection points? Select the correct choice below and, if necessary, fill in the answer box to complete your choice. O A. The inflection point(s) is(are) at x = (Simplify your answer. Type an ordered pair. Type an exact answer using radicals as needed. Use integers or fractions for any numbers in the expression. Use a comma to separate answers as needed.) O B. There are no inflection points.

14) [ 5 -4 6 -1]+[-3 -1 -2 -3] 16) [3 -3 4 0]-[-4 2 -3 4] 5 -2 -5 -1 18) -5 1 -6 -6 -4 -9- 3TOM

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10.) Human blood can contain the A antigen, the B antigen, both the A and B antigens, or neither antigen. A third antigen, called the Rh antigen, is important in human reproduction, and may or may not be present in an individual. A person's blood type is A-positive if the individual has the A and Rh antigens, but not the B antigen. The blood type is AB-negative if the person has the A and B antigens, but not the Rh antigen. An individual with only the Rh antigen has blood type O- positive. Other blood types are defined in a similar manner. In a certain hospital, the following data were recorded: 25 patients had the A antigen 8 patients had the A antigen and not the B antigen 27 patients had the B antigen 22 patients had the B antigen and the Rh antigen 30 patients had the Rh antigen 12 patients had none of the antigens 16 patients had the A antigen and the Rh antigen 15 patients had all three antigens (a) How many patients were represented in this survey? (b) How many patients had…