Simplify. Assume that all variables are nonzero.
A. 1
B. -417
C. Undefined
D. 0
Answer: D
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The following table shows the average price P, in dollars, of a gallon of regular gas t years after 2000. t 0 2 4 7 P 1.55 1.38 1.95 2.88A: Find the equation of the regression line.B: Plot the data along with the regression line.C: Explain in practical terms the meaning of the slope of the regression equation.D: What price does the regression line predict for 2011?
What will be an ideal response?
Find projv u.v = 7i - 3j + k, u = -4j + 3k
A. - 
j + 
k
B. - 
j + 
k
C. 
i - 
j + 
k
D. 
i - 
j + 
k
Calculate the arc length of the indicated portion of the curve r(t).r(t) = (7 + 2t2)i + (2t2 - 5)j + (5 - t2)k, -1 ? t ? 4
A. 51 B. 153 C. 135 D. 45
Find the volume of the solid generated by revolving the region bounded by the graphs of the equations about the indicated axis.
