A certain tree grows by 2/t + e(-t2/2) feet per year, where t is the time in years. Use the trapezoidal rule with whole year intervals to estimate the total growth during the stated time interval.From t = 1 to t = 4
A. 4.221 ft
B. 3.367 ft
C. 4.404 ft
D. 4.554 ft
Answer: B
Mathematics
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How many different Hamilton circuits would we have to check if we use the brute-force algorithm? (Do not count the same circuit traveled backward.)
A. 12 B. 4 C. 30 D. 60 E. none of these
Mathematics
List all the factors of each number.141
A. 3 ? 47 B. 3 ? 3 C. 3 ? 45 D. 3 ? 3 ? 47
Mathematics
Multiply or divide as indicated.(-3)(-4)(5)
A. 160 B. 60 C. -60 D. 50
Mathematics
Find the opposite of the number.- 
A. 
B. 
C. 0
D. - 
Mathematics