Solve the problem.The Lucas numbers are defined recursively by L1 = 1, L2 = 3, LN = LN-1 + LN-2. L5 =
A. 18
B. 11
C. 7
D. 9
E. 5
Answer: B
Mathematics
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Find the derivative of y.y = ln(sech (9x + 8))
A. -9 tanh (9x + 8)
B. 
C. -tanh (9x + 8)
D. tanh (9x + 8)
Mathematics
Solve. Try factoring first. If factoring is not possible or is difficult, use the quadratic formula.5m2 + 12m + 3 = 0
A. 
B. 
C. 
D. 
Mathematics
Find the mean. If necessary, round to one decimal place.19, 55, 81, 39, 139, 83
A. 83.2 B. 68.8 C. 69.8 D. 69.3
Mathematics
Provide an appropriate response.Write as an algebraic expression: Twice the sum of x and 5
Fill in the blank(s) with the appropriate word(s).
Mathematics