Find the integer pair that has the given product and sum.Product: 8Sum: -6
A. -2, -4
B. -2, -6
C. 2, 4
D. -2, 4
Answer: A
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Find the interval of convergence of the series.
A. x < 12 B. 8 < x < 10 C. 6 < x < 12 D. -12 < x < 12
Write the expression in standard form.
A. 7 - 7i
B. 7 - 
C. 7 - i
D. 7 - 
Solve the problem.Suppose an animal feed to be mixed from soybean meal and oats must contain at least 100 lb of protein, 20 lb of fat, and 9 lb of mineral ash. Each 100-lb sack of soybean meal costs $20 and contains 50 lb of protein, 10 lb of fat, and 8 lb of mineral ash. Each 100-lb sack of oats costs $10 and contains 20 lb of protein, 5 lb of fat, and 1 lb of mineral ash. How many sacks of each should be used to satisfy the minimum requirements at minimum cost? Fractional sacks are allowed.
A. 
sacks of soybeans and 
sacks of oats
B. 2 sacks of soybeans and 0 sacks of oats
C. 
sacks of soybeans and 
sacks of oats
D. 0 sacks of soybeans and 4 sacks of oats
Consider the feasible set, FS, shown below. Which of the following is a valid coordinate in the feasible set?
A. (11, 11) B. (10, 7) C. (3, 10) D. (5, 16) E. none of these