Solve the problem.The polynomial 2lw + 2lh + 2wh describes the surface area of a box. A company makes cardboard boxes. The boxes are 2 ft. by 3 ft. by 7 ft. What is the area of the cardboard that is required for each box?
A. 80 ft2
B. 86 ft2
C. 41 ft2
D. 82 ft2
Answer: D
Mathematics
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Use differentiation to determine whether the integral formula is correct.
dx = -4 cot 
+ C
A. No B. Yes
Mathematics
Solve the equation.4(5 - 3x) = 
A. 3
B. -3
C. 128
D. 
Mathematics
Find the vertical asymptote(s), if any, of the graph of the rational function. f(x) = 
A. x = 6, x = -4 B. x = 6 C. no vertical asymptote D. x = -6, x = 4
Mathematics
Solve the problem. Express your answer in scientific notation, and round to one decimal place. If the distance from the earth to the sun were 92,900,000 miles, how long would it take a rocket, traveling at 3.8 × 103 miles per hour, to reach the sun? Round to three decimal places.
A. 2.4 × 103 hours B. 2.4 hours C. 2.4 × 104 hours D. 2.4 × 102 hours
Mathematics