Solve the problem.If f(x) = 2x, find f[log2 (ln 2)].
A. 0
B. 2ln 2
C. log2 2
D. ln 2
Answer: D
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Find the derivative of the function.y = 
A. y ' = 
B. y ' = 
C. y ' = 
D. y ' = 
Solve the problem.You have 68 feet of fencing to enclose a rectangular plot that borders on a river. If you do not fence the side along the river, find the length and width of the plot that will maximize the area.
A. length: 34 ft, width: 34 ft B. length: 17 ft, width: 17 ft C. length: 51 ft, width: 17 ft D. length: 34 ft, width: 17 ft
Graph the set of points whose polar coordinates satisfy the given equation or inequality.? ? ? ? 
, r = -4
A. 
B. 
C. 
D. 
Write the number in scientific notation.In the metric system of measurement, the prefix mega- means 1,000,000. Write this number in scientific notation.
A. 0.1 × 10-5 B. 1 × 10-6 C. 10 × 105 D. 1 × 106