Differentiate the given function.
?
?
A. 
B. 
C. 
D. 
E. 
Answer: D
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Evaluate the definite integral.
A. ln 2
B. ln 
C. ln 
D. 
Find the exact value of the expression.sin 25° cos 35° + cos 25° sin 35°
A. 
B. 
C. 
D. 
Solve. Round to the nearest tenth.A 20-ft-tall ladder is placed so that it reaches 18 ft up on the wall of a house. How far is the base of the ladder from the wall of the house?
A. 76 ft B. 26.9 ft C. 8.7 ft D. 724 ft
Solve the problem.Suppose that during a certain step in a chemical manufacturing process the amount of hydrogen chloride dissolved in a solution, measured in parts per million (ppm), is related to the elapsed time measured from the beginning of the step. Use the following table as a representation of this relationship. Write the data from the table as ordered pairs (x, y), where x represents the time and y represents the amount dissolved.
A. (22.0, 3), (24.4, 6), (26.4, 9), (28.4, 12), (30.2, 15) B. (1, 22.0), (2, 24.4), (3, 26.4), (4, 28.4), (5, 30.2) C. (0, 22.0), (3, 24.4), (6, 26.4), (9, 28.4), (12, 30.2) D. (3, 22.0), (6, 24.4), (9, 26.4), (12, 28.4), (15, 30.2)