Answer the question.If we wish to find the candidates for local extrema and saddle points for 
then we must find which of the following?(i) fx and fxx(ii) fy and fyy(iii) fxy(iv) fyx(v) fxxx
A. (i) and (ii)
B. (i), (ii), and (v)
C. (i), (ii), and (iii)
D. All
Answer: C
Mathematics
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Choose a solution of the differential equation.
?
?
A. ?
B. ?
C. ?
D. ?
Mathematics
Work the application.Each box of matches contains 240 matches. Boxes of matches are shipped in cartons. Each carton contains 5 boxes of matches. How many matches are in each carton?
A. 245 matches B. 1200 matches C. 120 matches D. 48 matches
Mathematics
Solve the problem.Use the graphs to find the value of (f + g)(3).
A. -1 B. 3 C. 1 D. 0
Mathematics
Find the volume of the solid. Use 
for ?.
A. 104
cu m
B. 
cu m
C. 4190
cu m
D. 523
cu m
Mathematics