Write a chain rule formula for the following derivative.
for w = f(x, y, z); x = g(r, s), y = h(t), z = k(r, s, t)
A. 
= 
B. 
= 
+ 
C. 
= 
+ 
D. 
= 
+ 
Answer: C
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Use the method of writing each premise in symbols in order to arrive at a valid conclusion.Smiling people are happy.Alert people are not happy.Careful drivers are alert.Careless drivers have accidents.Therefore, ...
A. Careful drivers are happy. B. Careful drivers have accidents. C. People who smile are alert. D. People who smile have accidents.
Evaluate the integral by changing the order of integration in an appropriate way.
A. 2(1 - cos 5) B. 2 sin 5 C. 2 cos 5 D. 2(1 + sin 5)
Multiply.(5m2 + 2m - 1)(m2 + 4m - 5)
A. 5m4 - 18m3 + 22m2 - 14m + 5 B. 5m4 + 20m3 + 22m2 - 14m + 5 C. 5m4 + 22m3 - 18m2 - 14m + 5 D. 5m4 + 20m3 - 18m2 - 14m + 5
Find the exact value of the expression.sin ?
A. undefined B. -1 C. 0 D. 1