Use the Change-of-Base Formula and a calculator to evaluate the logarithm. Round your answer to two decimal places.log
125.7
A. 0.19
B. 2.70
C. 0.39
D. 5.40
Answer: D
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Solve the problem.If f(x) = 2x + 9 and g(x) = -6x2 + 5x + 6, find g(f(9)).
A. 3 B. -21 C. -4233 D. -861
Evaluate the integral.
A. 
ln 
+ C
B. 2
+ 2
tan-1 
+ C
C. 
tan-1 
+ C
D. 
ln 
+ C
Use sets to solve the problem.A survey of a group of 117 tourists was taken in St. Louis. The survey showed the following:66 of the tourists plan to visit Gateway Arch;49 plan to visit the zoo;11 plan to visit the Art Museum and the zoo, but not the Gateway Arch;14 plan to visit the Art Museum and the Gateway Arch, but not the zoo;19 plan to visit the Gateway Arch and the zoo, but not the Art Museum;7 plan to visit the Art Museum, the zoo and the Gateway Arch;16 plan to visit none of the three places.How many plan to visit the Art Museum only?
A. 101 B. 37 C. 12 D. 49
Solve the problem.If the life, in months, of a certain type of car battery is normally distributed with a mean of 86 months and a standard deviation of 8 months, what should be the guarantee period if the company wants less than 5% of the batteries to fail while under warranty?
A. Less than 99.2 months B. Less than 17.74 months C. Less than 72.8 months D. Less than 65.36 months