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The function w gives a person's weight t weeks after she begins a diet. Write a sentence of interpretation for each of the following statements. w(0) = 191 and w(12) = 172 At the beginning of a diet, a person weighed pounds. After weeks on the diet, that person weighed pounds. (b) w'(1) = -2 and w'(9) = -1 After one week on the diet, the person's weight was [---Select--- v| by pound(s) per week. After 9 weeks on the diet, the person's weight was [---Select--- | by pound(s) per week. dw = 0 and dw = 0.75 dt It = 12 dt It = 15 After 12 weeks on the diet, the person's weight was ---Select--- After weeks on the diet, the person's weight was [---Select--- ] by pounds per week . --Select--- increasing decreasing (d) Sketch a possible graph of w