For the function f, construct and simplify the difference quotient 
.f(x) = 9 - 3x3
A. -3(x2 - xh - h2)
B. -3(3x2 - 3x - h)
C. -3(3x2 + 3xh + h2)
D. -27x2
Answer: C
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Use two formulas for volume to find the volume of the figure. Round the answer to the nearest whole number.
A. 2413 cm3 B. 94,365 cm3 C. 5094 cm3 D. 3485 cm3
Solve the problem.The circle graph shows the percent of the total population of 48,900 of Springfield living in the given types of housing. Round your result to the nearest whole number. 
Find the number of people who live in single family houses.
A. 16,626 people B. 39 people C. 19,071 people D. 29,829 people
Find the reciprocal.
A. 
B. 13
C. 
D. 
A wooden beam has a rectangular cross section of height h in. and width w in. (see the figure). The strength S of the beam is directly proportional to its width and the square of its height.
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What are the dimensions of the cross section of the strongest beam that can be cut from a round log of diameter 24 in.? Hint: 
, where k is a constant of proportionality.
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Where 
.
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A. 
B. ?
C. ?
D. ?