Solve the problem.An open-top rectangular box has a square base and it will hold 256 cubic centimeters (cc). Each side of the base has length x cm. The box's surface area S is given by S(x) = 
+ x2. Estimate the minimum surface area and the value of x that will yield it.
A. 207 cm2 when x = 6 cm
B. 256 cm2 when x = 6 cm
C. 192 cm2 when x = 8 cm
D. 256 cm2 when x = 8 cm
Answer: C
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A. (-7, -6), (-6, -7) B. (-7, 6), (-6, 7) C. (7, -6), (6, -7) D. (7, 6), (-6, -7)
Find the exact value of the logarithmic expression.log9 81
A. 81 B. 9 C. 2 D. 18
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Find the domain of the function: p(x) = |x+6|.
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