Solve the problem.In 1990, a company's profit was 44.6 million dollars. In 2000, the company's profit was 121.2 million dollars. Assume that the growth of the company's profit follows the exponential model and use 1990 as the base 
Estimate what the company's profit will be in 2010.
A. $247.2 million
B. $659.1 million
C. $593.2 million
D. $329.6 million
Answer: D
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Use the graph to obtain the graph of the reciprocal function. Give the equation of the function for the graph that you obtain.y = 
sin 
x
A. y = 
sec 
x
B. y = 
csc 3x
C. y = 
csc 
x
D. y = 
sec 3x
The sides in the pair of figures are proportional. Find the missing length or lengths.
A. x = 16.25; y = 6.75 B. x = 16.25; y = 6.25 C. x = 15.75; y = 6.25 D. x = 16.5; y = 6.5
Find the sum or difference.
+ 
- 
A. 
B. 
C. 
D. 
Solve the problem.Newton's Law of Cooling states that the rate of change of temperature of an object is proportional to the difference in temperature between the object and the surrounding medium. Thus, if T is the temperature of the object after t hours and T0 is the (constant) temperature of the surrounding medium, then
where k is a constant. A dish of lasagna baked at 375°F is taken out of the oven into a kitchen that is 68°F. After 7 minutes, the temperature of the lasagna is 310°F. What will its temperature be 11 minutes after it was taken out of the oven? Round your answer to the nearest degree.
A. 288°F B. 279°F C. 273°F D. 264°F