Use properties of logarithms to expand the logarithmic expression as much as possible. Where possible, evaluate logarithmic expressions without using a calculator.log4

A. log4
B. 3log4x - 6log4y
C. 3log4x + 6log4y
D. 6log4y - 3log4x

Answer: B

Mathematics

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The time required for a car to travel a certain distance varies inversely as the rate at which it travels. If it takes 10 hours at 60 miles per hour to travel the distance, how long will it take at 100 miles per hour? 

A. t = 6 hours B. t = 10 hours C. t = 5 hours D. t = 9 hours E. t = 4 hours

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Mathematics

Find the sum.-747 + 575

A. 72 B. -1322 C. 172 D. - 172

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Mathematics

Convert the length as indicated.10 yards to feet

A. 360 ft B. 120 ft C. 90 ft D. 30 ft

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Determine the upper and lower bounds on the zeros of the given function.h(x) = 8x3 + 9x + 3

A. upper bound: 1; lower bound: -1 B. upper bound: 2; lower bound: -1 C. upper bound: 2; lower bound: -2 D. upper bound: 1; lower bound: -2

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Mathematics