Find the indicated derivative.Find fxz for f(x, y, z) = 5x9y6 + 10x4z2.
A. 80x3z1
B. 45x8y6 + 80x3z1
C. 2z1
D. 20x4z1
Answer: A
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Find the indicated derivative. Assume that x is restricted so that ln is defined.h'(x) if h(x) = 2 ln (sin2 2x)
A. 
B. 8 cot 2x
C. 4 tan 2x
D. 
Answer the question based on the following situation:An honest coin is tossed 1600 times. The random variable X denotes the total number of heads that come up in the 1600 tosses.What are the chances that X is less than 650?
A. approximately 32% B. approximately 16% C. approximately 25% D. approximately 0% E. none of these
Solve the problem.Find parametric equations for the normal line to the surface 
at the point 
A. 
B. 
C. 
D. 
If a firm has a strong set of innovation skills and capabilities, it should pursue entrepreneurial opportunities through
A. acquisitions. B. joint ventures. C. strategic alliances. D. internal innovation.