Solve the problem.The strength S of a rectangular wooden beam is proportional to its width times the square of its depth. Find the dimensions of the strongest beam that can be cut from a 
cylindrical log. (Round answers to the nearest tenth.)
A. w = 7.5 in.; d = 10.6 in.
B. w = 6.5 in.; d = 11.6 in.
C. w = 8.5 in.; d = 11.6 in.
D. w = 8.5 in.; d = 9.6 in.
Answer: A
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Find the indicated root of the given equation by using Newton's method.x3 - x - 1 = 0 (between 1 and 2)
A. 1.3247112 B. 1.3252004 C. 1.3247180 D. 1.3258013
Perform the indicated computation. Write the answer in scientific notation.(4 × 10-3)(1.5 × 10-1)
A. 6 × 103 B. 6 × 10-3 C. 6 × 10-4 D. 60 × 10-4
Write the sum using summation notation, assuming the suggested pattern continues.2 - 8 + 32 - 128 + ...
A. 
B. 
C. 
D. 
Find the average rate of change of the function from x1 = 1 to x2 = 5.
?
?
A. The average rate of change from x1 = 1 to x2 = 5 is 24. B. The average rate of change from x1 = 1 to x2 = 5 is -4. C. The average rate of change from x1 = 1 to x2 = 5 is -24. D. The average rate of change from x1 = 1 to x2 = 5 is -18. E. The average rate of change from x1 = 1 to x2 = 5 is 4.