Write the first five terms of the geometric sequence.an = -7an-1; a1 = -5
A. -5, -12, -19, -26, -33
B. -5, 35, -245, 1715, -12,005
C. 35, -245, 1715, -12,005, 84,035
D. -7, -35, -245, -1715, -12,005
Answer: B
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Use the shell method to find the volume of the solid generated by revolving the region bounded by the given curves about the given lines.y = 4x,
y = 0,
x = 4; revolve about the x-axis
A. 
B. 
?
C. 
?
D. 
?
Use differentials to estimate the amount of metal in a closed cylindrical can that is 12 cm high and 8 cm in diameter if the metal in the top and bottom is 0.09 cm thick and the metal in the sides is 0.01 cm thick. (rounded to the nearest hundredth.)
a. 8.34 cm³ b. 6.99 cm³ c. 6.91 cm³ d. 6.7 cm³ e. 12.06 cm³
Graph the parabola or ellipse. Include the directrix that corresponds to the focus at the origin.r = 
A. 
B. 
C. 
D. 
Add or subtract as indicated.(12mn2 - 6m2n2) + (
) + (-7mn + 9m2n)
A. -3m2n2 + 9m2n + 12mn2 - 15mn B. 1mn + 12mn2 + 9m2n - 3m2n2 C. 3m2n2 D. -15mn + 21m2n - 3m2n2