Find the relative maximum and minimum values and the saddle points if they exist.f(x, y) = exy
A. Saddle point = (0, 0)
B. No relative extrema or saddle points
C. Relative minimum = 1
D. Relative minimum = 0
Answer: A
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Solve the problem.Ellen invests her money in a savings account which compounds interest quarterly and which gives an effective annual yield of 2.22%. What is the nominal rate?
A. 2.19% B. 2.21% C. 2.24% D. 2.20%
Find the relative extrema of the function and classify each as a maximum or minimum.f(x) = x
A. Relative maximum: 
, relative minimum: 
B. Relative minimum: (0,0)
C. Relative minimum: 
, relative maximum: 
D. Relative maximum: 
Add or subtract as indicated and write the result in standard form.(6 + 7i) - (-8 + i)
A. -14 - 6i B. 14 + 6i C. -2 + 8i D. 14 - 6i
Use algebraic and/or graphical methods to solve the inequality.
? 
A. -1 < x < 6 or x > 
B. -6 ? x ? 1 or x ? 
C. -6 < x < 1 or x ? 
D. -1 ? x ? 6 or x ? 