Find the quotient. Write the answer in standard form.
A. 7i
B. -7
C. -7i
D. 7
Answer: A
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Solve the problem.A pendulum bob swings through an arc 80 inches long on its first swing. Each swing thereafter, it swings only 75% as far as on the previous swing. What is the length of the arc after 12 swings? Round to two decimal places.
A. 660.00 inches B. 2.53 inches C. 3.38 inches D. 1.90 inches
Find the phase shift.y = -2 cos
A. 
units to the left
B. ? units to the left
C. 
units to the right
D. 2? units to the right
Simplify the rational expression. If the expression is already in simplest form, state this as your answer.
A. 
B. 
C. 
D. simplest form
A cereal manufacturer makes two different kinds of cereal, Senior Citizen's Feast and Kids Go. Each pound of Senior Citizen's Feast requires 0.6 lb of wheat and 0.2 lb of vitamin-enriched syrup, and each pound of Kids Go requires 0.4 lb of wheat, 0.2 lb of sugar, and 0.2 lb of vitamin-enriched syrup. Suppliers can deliver at most 2,800 lb of wheat, at most 800 lb of sugar, and at least 1,000 lb of the vitamin-enriched syrup. If the profit is $0.80 on each pound of Senior Citizen's Feast and $1.00 on each pound of Kids Go, find the number of pounds of each cereal that should be produced to obtain maximum profit. Find the maximum profit. Round your profit to the nearest cent, another answers - to the nearest whole number. ?
A. Maximum profit of $4200.00 when 4000 lbs of Senior Citizen's Feast and 1000 lbs of Kids Go are produced. B. Maximum profit of $4800.00 when 1000 lbs of Senior Citizen's Feast and 4000 lbs of Kids Go are produced. C. Maximum profit of $5200.00 when 4000 lbs of Senior Citizen's Feast and 2000 lbs of Kids Go are produced. D. Maximum profit of $6000.00 when 2000 lbs of Senior Citizen's Feast and 4000 lbs of Kids Go are produced. E. Maximum profit of $5600.00 when 2000 lbs of Senior Citizen's Feast and 4000 lbs of Kids Go are produced.