Add.
+ 
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B.
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Answer: B
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Solve the problem.A box with an open top is to be constructed from a rectangular piece of cardboard with dimensions 13 inches by 26 inches by cutting out equal squares of side x at each corner and then folding up the sides as in the figure. Express the volume V of the box as a function of x.
A. V(x) = (13 - x)(26 - x) B. V(x) = (13 - 2x)(26 - 2x) C. V(x) = x(13 - x)(26 - x) D. V(x) = x(13 - 2x)(26 - 2x)
Find the potential function f for the field F.F = 2xex2+y2i + 2yex2+y2j
A. f(x, y, z) = ex2 + ey2 + C
B. f(x, y, z) = + C
C. f(x, y, z) = ex2+y2 + C
D. f(x, y, z) = 2ex2+y2 + C
Convert the units.820 mm = cm
A. 8200 cm B. 82 cm C. 82,000 cm D. 8.2 cm
Write the equation of the graph after the indicated transformation(s). The graph of y = x2 is shifted 2 units to the left. This graph is then vertically stretched by a factor of 6 and reflected across the x-axis. Finally, the graph is shifted 8 units downward.
A. y = -6(x - 2)2 - 8 B. y = -6(x + 8)2 - 2 C. y = -6(x + 2)2 - 8 D. y = -6(x - 2)2 + 8