Select the graph of the function and use the zero or root feature to approximate the real zeros of the function.
?
?
A. ?Zeros: 
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B. ?Zeros:
?
C. ?Zeros:
?
D. ?Zeros:
?
E. ?Zeros:
?
Answer: D
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Evaluate the expression.10b ÷ 16a, for a = 2 and b = 10
A. 
B. 1600
C. 
D. 
Solve the problem using matrices.The nutritional content per ounce for three foods is given in the table below.
What combination of these foods can provide exactly 14 grams of fat, 27 grams of protein, and 10 grams of fiber?
A. 3 oz of Food A; 5 oz of Food B; 1 oz of Food C B. 4 oz of Food A; 6 oz of Food B; 2 oz of Food C C. 7 oz of Food A; 7 oz of Food B; 1 oz of Food C D. No possible combination of these foods
Solve the problem.Give fraction notation for the amount of gas (a) in the tank and (b) used from a full tank. 
A. (a) 
; (b) 
B. (a) 
; (b) 
C. (a) 
; (b) 
D. (a) 
; (b) 
Solve using a system of three linear equations.A deli sells three sizes of turkey sandwiches: the small turkey sandwich contains 6 ounces of meat and sells for $2.50; the regular turkey sandwich contains 9 ounces of meat and sells for $3.00; and the large turkey sandwich contains 14 ounces of meat and sells for $3.50. A customer requests a selection of each size for a reception. She and the manager agree on a combination of 48 sandwiches made from 27 pounds 0 ounces of turkey for a total cost of $140. How many of each size sandwich will be in this combination? (Note: 1 pound = 16 ounces)
A. 22 small sandwiches, 10 medium sandwiches, 16 large sandwiches. B. 18 small sandwiches, 22 medium sandwiches, 8 large sandwiches. C. 16 small sandwiches, 12 medium sandwiches, 20 large sandwiches. D. 20 small sandwiches, 16 medium sandwiches, 12 large sandwiches.