Find the derivative of the function at the given value of x using a graphing utility. If necessary, round to four decimal places.f(x) = x sin(9x); x = 7
A. 1171.4513
B. 62.2780
C. -1171.4513
D. 62.1018
Answer: B
Mathematics
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Use < or > to complete the following. 41 cm 
41 in.
A. > B. <
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Answer the following question involving a conversion within the USCS system.If a horse ran 8 furlongs, how many yards did it run?
A. 42,240 yd B. 7040 yd C. 14,080 yd D. 1760 yd
Mathematics
Find Pk+1 from the given statement Pk.Pk: (k + 1)(k2 - k + 1) = k3 + 1
A. Pk+1: (k + 2)[(k + 1)2 - k + 2] = (k + 1)3 + 1 B. Pk+1: (k + 2)[(k + 1)2 - k + 2] = k3 + 2 C. Pk+1: (k + 2)[(k + 1)2 - k] = (k + 1)3 + 1 D. Pk+1: (k + 2)[(k + 1)2 - k] = k3 + 2
Mathematics
Heterogeneous top management teams make decisions more quickly than homogeneous teams, but are less likely to make mistakes.
Answer the following statement true (T) or false (F)
Mathematics