Write as a single logarithm.
log9 x + log9 y
A. log9 
B. log9 
C. log9 
D. log9 y
Answer: D
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Evaluate the logarithm, if possible. Round the answer to four decimal places.ln 0.000873
A. -7.0436 B. 7.0436 C. -3.0590 D. 3.0590
Solve the problem.The height of a triangle measures 3 cm less than four times the base of the triangle. Its area is 
Find the lengths of the base and the height.
A. Base: 4 cm; height: 13 cm B. Base: 4.5 cm; height: 15 cm C. Base: 5 cm; height: 17 cm D. Base: 6 cm; height: 21 cm
Solve the problem.Money magazine reports that the percentage of trading days in which the Dasdaq loses or gains 2% or more has been increasing since 1995 indicating more volatility in the Dasdaq. Use a graphing utility to fit an exponential function to the data. Predict the percentage of trading days in 2001 having such swings in value.
A. y = 1.278e0.611x, 92 days B. y = 2.353e0.610x, 91 days C. y = 1.669x1.706, 46 days D. y = 1.849e0.531x, 76 days
Determine the value of the trigonometric function of s using the given information.sin s = 
, cos s = 
Find cot s.
A. 
B. 
C. - 
D. 