Find an exponential model for the following data set. Round your answer to two decimal places.
t 0 2 4 6 y 27.04 19.08 13.46 9.50?
A. ?
B. ?
C. ?
D. 
Answer: D
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Find the difference of price on ice cream in 2013. March 2013 June 2013 Price$3.72$3.48
Fill in the blank(s) with the appropriate word(s).
Write as a percent.
A. 3.33333333% B. 33.3333333% C. 333.333333% D. 30%
Solve the exponential equation and express solution to the nearest hundredth.
A. x = 1.58 B. x = 1.98 C. x = 1.08 D. x = 2.18 E. x = 1.78
Solve the problem.A doctor has told a patient to take vitamin pills. The patient needs at least 32 units of vitamin A, at least 8 units of vitamin C, and at least 55 units of vitamin D. The red vitamin pills cost 
each and contain 6 units of A, 1 unit of C, and 5 units of D. The blue vitamin pills cost 
each and contain 4 units of A, 1 unit of C, and 10 units of D. How many pills should the patient take each day to minimize costs?
A. 5 red and 3 blue B. 3 red and 5 blue C. 6 red and 2 blue D. 8 red and 0 blue