Solve the problem.The diameter of a tree was 12 in. During the following year, the circumference increased 
About how much did the tree's diameter increase? (Leave your answer in terms of ?.)
A. 
in.
B. 
in.
C. 
in.
D. 
in.
Answer: B
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Evaluate the definite integral. Express the answer in terms of natural logarithms.
A. ln(6 + 
)
B. ln 7
C. ln(6 + 
)
D. ln(
)
Determine if the series converges or diverges. If the series converges, find its sum.
A. converges; 
B. converges;1
C. diverges
D. converges; - 
Solve the problem.A plate shaped like an equilateral triangle 1 m on a side is placed on a vertical wall 2 m below the surface of a pool filled with water. On which plate in the figure is the force greater? Try to anticipate the answer and then compute the force on each plate. Round to three decimal places when appropriate. 
A. plate 2 plate 1: 9712.049 N plate 2: 10,937.049 N B. plate 1 plate 1: 5468.524 N plate 2: 4856.024 N C. plate 2 plate 1: 4856.024 N plate 2: 5468.524 N D. plate 1 plate 1: 10,937.049 N plate 2: 9712.049 N
Solve the problem.The cost of a rental car for the weekend is given by the function C(x) = 146 + 0.25x, where x is the number of miles driven. Find the slope of the graph of this function and interpret it as a rate of change.
A. 0.25; The cost of the rental car decreases by $0.25 for each mile driven. B. 146; The cost of the rental car decreases by $0.25 for each mile driven. C. 0.25; The cost of the rental car increases by $0.25 for each mile driven. D. 146; The cost of the rental car increases by $146 for each mile driven.