Solve the problem.A rectangular box with square base and no top is to have a volume of 32 ft3. What is the least amount of material required?
A. 36 ft2
B. 48 ft2
C. 40 ft2
D. 42 ft2
Answer: B
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Solve the problem.Locate and identify the absolute extreme values of sin (ln x) on 
A. Absolute maximum at(5, sin (ln 4)); absolute minimum at (e?/2, -1)
B. Absolute maximum at (e?/2, 1); absolute minimum at 
C. Absolute maximum at (e?/2, 1); absolute minimum at (4, sin (ln 4))
D. Absolute maximum at (5, sin (ln 4)); absolute minimum at (4, sin (ln 4))
Evaluate the expression without using a calculator.log42
A. 4
B. 1
C. 2
D. 
Divide the real numbers. Write any improper fraction as a whole or mixed number where appropriate.-2 ÷ 
A. - 10
B. 
C. - 
D. 10
Solve the problem.The profit made when t units are sold, t > 0, is given by 
Determine the number of units to be sold in order for P < 0 (a loss is taken).
A. t = 11 or t = 16 B. t < 11 or t > 16 C. 11 < t < 16 D. t > 0