Solve.The population of a particular country was 23 million in 1981; in 1987, it was 32 million. The exponential growth function  describes the population of this country t years after 1981. Use the fact that 6 years after 1981 the population increased by 9 million to find k to three decimal places.

A. 0.055
B. 1.100
C. 0.065
D. 0.366


Answer: A

Mathematics

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The graph below shows the number of students enrolled in various courses at State University in spring 2000. Each bar represents a different course, and the height of the bar represents the number of students enrolled. Use the graph to answer the question.Write an inequality statement using < or > comparing the number of students enrolled in Algebra and History.

A. 70 ? 82 B. 70 < 82 C. 70 ? 82 D. 70 > 82

Mathematics

Solve the problem.Find the shaded area in the figure.  

A. 39.5 cm2 B. 78.9 cm2 C. 223 cm2 D. Not enough information.

Mathematics

A doctor prescribed ampicillin for a child who weighs 9.1 kg. The label on the box recommends a dosage of 100 mg/kg/day given in 4 equal doses. Calculate the correct daily amount of ampicillin that the child should receive.

A. 227.5 mg B. 910 mg C. 25 mg D. 91 mg

Mathematics

Find the potential function f for the field F.F = 

A. f(x, y, z) = 
B. f(x, y, z) = - 
C. f(x, y, z) = 
D. f(x, y, z) = 

Mathematics