The following table shows the approximate average household income in the U.S. in 1990, 1997, and 2003. (t = 0 represents 1990.)
t (Year)
0
7
13
H (Household Income in $1000)
30
37
43
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Which of the following kinds of models would best fit the given data? (A, a, b, c, and m are constants.)
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A. Power: 
B. Logarithmic: 
C. Linear: 
D. Quadratic: 
E. Exponential: 
Answer: C
Mathematics
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List the degree of each term and the degree of the polynomial.x8yz - x10y2 - 4x7y2z3
A. 10, 12, 12; polynomial: 12 B. 10, 12, 12; polynomial: 10 C. 8, 12, 12; polynomial: 12 D. 8, 12, 12; polynomial: 8
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Solve the problem.The Holly cousins, Crash and Bob, have a combined weight of 800 pounds. What is their weight in kilograms 
Fill in the blank(s) with the appropriate word(s).
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Round the number as requested.7,635 to the nearest thousand
A. 7,890 B. 9,000 C. 8,100 D. 8,000
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Match the given equation with one of the graphs.
- 
= 1
A. 
B. 
C. 
D. 
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