A dietitian wishes to plan a meal around three foods. The percentage of the daily requirements of proteins, carbohydrates, and iron contained in each ounce of the three foods is summarized in the accompanying table.
Determine how many ounces of each food the dietitian should include in the meal to meet exactly the daily requirement of
proteins, carbohydrates, and iron (100% of each).
__________ ounces of Food I
__________ ounces of Food II
__________ ounces of Food III
4,2;4
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Given the polynomial function f(x), find the rational zeros, then the other zeros (that is, solve the equation ), and factor f(x) into linear factors.f(x) = x3 - 8x2 + 17x - 30
A. 6, 1 + , 1 -
; f(x) = (x - 6)(x - 1 -
)(x - 1 +
)
B. 6, -1 + 2i, -1 - 2i; f(x) = (x - 6)(x + 1 - 2i)(x + 1 + 2i)
C. -6, 1 + 2i, 1 - 2i; f(x) = (x + 6)(x - 1 - 2i)(x - 1 + 2i)
D. 6, 1 + 2i, 1 - 2i; f(x) = (x - 6)(x - 1 - 2i)(x - 1 + 2i)
Factor the trinomial completely.-25x2 + 30x + 16
A. -(5x - 2)(5x + 8) B. (5x + 2)(5x + 8) C. -(5x + 2)(5x - 8) D. -(5x - 2)(5x - 8)
Use the change of base formula and a calculator to approximate the logarithmic expression. Round your answer to four decimal places.log2/319
A. 7.2619 B. 8.9261 C. -7.2619 D. -14.5225
Use Heron's formula to solve the problem.An architect has measured the length of the sides of a triangular yard as 180 ft, 200 ft, and Find the area of the yard. Round to the nearest whole number.
A. 1000 ft2 B. 17,616 ft2 C. 1415 ft2 D. 12,456 ft2