Find the domain of the function h.h(x) = 
A. {x| x is a real number and x ? -9 and x ? -2 and x ? 2 and x ? 0}
B. {x| x is a real number and x ? 0}
C. {x| x is a real number and x ? 9 and x ? 2}
D. {x| x is a real number and x ? -9 and x ? -2}
Answer: D
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Use properties of logarithms to expand the logarithmic expression as much as possible. Where possible, evaluate logarithmic expressions without using a calculator.log4(16x)
A. 2 log4 x B. 8 + log4 x C. 2x D. 2 + log4 x
Solve the problem.Suppose that y = 
can be used to calculate the number of years y for x percent of a population of 
sparrows to die. Approximate the percentage (to the nearest whole per cent) of 
sparrows that died after 
A. 85% B. 81% C. 83% D. 77%
A dart board consists of concentric circles and line segments as shown. The radius of the bull’s eye is 4 inches and each ring surrounding the bull’s eye is 3 inches wide.
(a) What is the area of the bull’s eye?
(b) What percent of the total area is worth ten points?
Write the algebraic expression without parentheses.- (7z - 2w + 6y)
A. -7z + 2w - 6y B. -7z - 2w + 6y C. -7z - 2w - 6y D. -7z + 2w + 6y