Find the difference. Simplify the result.
- 
A. 
B. 
C. 
D. 
Answer: B
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Find fx, fy, and fz.f(x, y, z) = z(ex)y
A. fx = zxexy; fy = zyexy; fz = exy B. fx = zexy; fy = zexy; fz = exy C. fx = zyexy; fy = zxexy; fz = exy D. fx = zyexy; fy = zxexy; fz = zexy
Rewrite the series using summation notation. Use 1 as the lower limit of summation.- 
+ 
- 
+ . . . - 
A. 
B. 
C. 
D. 
Solve the problem.Among patients who were improving on a certain day (in the critical care unit of a certain hospital), the following was determined to be true on the next day: 63% were still improving; 10% were stable; 7% were deteriorating; and 20% had been discharged. Among the patients who were stable on a certain day, the following was determined to be true on the next day: 34% were improving; 42% were still stable; 20% were deteriorating; 3% had been discharged; and 1% had died. Among the patients who were deteriorating on a certain day, the following was determined to be true on the next day: 13% were improving; 42% were stable; 41% were still deteriorating; none had been discharged; and 4% had died. What is the expected number of additional days that a patient, who is improving on
that certain day, will spend in the critical care unit? Round your answer to the nearest hundredth. A. 4.00 days B. 5.74 days C. 9.21 days D. 7.07 days
Multiply. Write your answer in a + bi form.(-5 - 8i)2
A. -10 - 16i B. 25 + 64i C. -39 + 80i D. -39