Write the expression in the standard form a + bi.
A. 1
B. i
C. -i
D. -1
Answer: C
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Find all the local maxima, local minima, and saddle points of the function.
A. f(45, 45) = 151,875, local maximum; f(0, 0) = 0, local minimum B. f(45, 45) = 151,875, local maximum C. f(9, 5) = 9211, saddle point; f(5, 9) = 6075, saddle point D. f(0, 0) = 0, local minimum
Find the first five partial sums of the given series and determine whether the series is convergent or divergent. If it is convergent, then find its sum.
A. 0.6667, 0.8, 0.8571, 0.8889, 0.9091; convergent; 0 B. 0.6667, 1.4667, 2.3238, 3.2127, 4.2128; convergent; 4.5 C. 0.6667, 1.4667, 2.3238, 3.2127, 4.2128; divergent D. 0.6667, 0.8, 0.8571, 0.8889, 0.9091; divergent
Find the total differential of the function.
?
?
?
A. 
B. 
C. 
D. 
E. 
Determine if the graph is symmetric with respect to x-axis, y-axis, and/or the origin.
A. x-axis, origin B. x-axis, y-axis, origin C. Origin D. x-axis