Determine whether the number is prime, composite, or neither.1
A. Prime
B. Neither
C. Composite
Answer: B
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Find the limit of the sequence if it converges; otherwise indicate divergence.an = 
n
A. e8 B. e C. 1 D. Diverges
Find the domain of the expression.
?
?
A. all real numbers B. all real numbers except x =-7 C. all real numbers except x = 8 D. all real numbers except x = 8 and x = -7 E. x = 8 or x = -7
Simplify. 
A. 
B. 
C. 
D. 
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