Solve the problem.Data regarding the amount spent by a government department is represented in the following graph. Find the slope of the line by using any two of the points shown on the line. Is the slope equal to the yearly change in amount spent? 
A. Slope: $0.72 billion; yes
B. Slope: $0.38 billion; yes
C. Slope: $0.28 billion; no
D. Slope: $0.18 billion; no
Answer: A
Mathematics
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Solve, rewrite in interval notation, and graph.2 < 6 - x and - 
x ? 1
A. 
B. 
C. 
D. 
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Solve the problem.A mechanic is testing the cooling system of a boat engine. He measures the engine's temperature over time. Use a graphing utility to fit a logistic function to the data. What is the carrying capacity of the cooling system?
A. y = 
, 307°F
B. y = 
, 315°F
C. y = 
, 315°F
D. y = 
, 312°F
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Perform the operation. Write the answer as a fraction in lowest terms.2
? 
A. 
B. 
C. 
D. 
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Evaluate. 
A. 
+ 
+ C
B. - 
+ 
+ C
C. 
- 
+ C
D. - 
- 
+ C
Mathematics