Solve the problem.A rule for estimating the number of board feet of lumber that can be cut from a log depends on the diameter of the log. To find the diameter, d, required to get 7 board feet of lumber, we use the equation 
Solve this equation for d. Are both answers reasonable?
A. {32, -24}; No, only 32 feet is a reasonable answer.
B. {24, -32}; No, only 24 feet is a reasonable answer.
C. {11, -28}; No, only 11 feet is a reasonable answer.
D. {28, -28}; No, only 28 feet is a reasonable answer.
Answer: A
Mathematics
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