Solve the problem.U. S. Census Bureau data shows that the number of families in the United States (in millions) in year x is given by h(x) = 51.42 + 15.473 ? log x , where x = 0 is 1980. How many families were there in 2002?
A. 48 million
B. 21 million
C. 72 million
D. 90 million
Answer: C
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Use the Trapezoidal Rule with n = 4 steps to estimate the integral.
A. 
B. 
C. 
D. 
The following table shows the number C, in thousands, of condos sold t years after 2003. t 0 1 2 3 4 5 6 7 C 732 820 896 801 713 563 590 599? A: Use cubic regression to model condos sold as a function of years since 2003. Round your answers to two decimal places, if necessary.B: Plot the data along with the graph of the model you found in part A.C: During the period from 2003 to 2010, what is the minimum number of condos sold? Round your answer to two decimal places.D: What number of sales does the model predict for 2014? Round your answer to two decimal places.
What will be an ideal response?
Solve.
= 
A. 
B. 8
C. 34
D. 17
Provide an appropriate response.What is the relationship between the slopes of two parallel lines?
A. One slope is the reciprocal of the other. B. One slope is the negative of the other. C. There is no general relationship, because the y-intercepts can be different. D. They are equal.