Divide and write the answer in the form a + bi. Let z = 9 - 5i and w = 9 + 9i. Find 
.
A. 
+ 
i
B. 
- 
i
C. 
- 
i
D. 
- 
i
Answer: A
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Identify the function's extreme values in the given domain, and say where they are assumed. Tell which of the extreme values, if any, are absolute.h(x) = x3 + 6x2 + 2x + 2, -? < x ? 0
A. local and absolute minimum: 1 at x = -1; B. local and absolute maximum: 2 at x = 0; C. local and absolute maximum: 2 at x = 0; local and absolute minimum: 1 at x = -1 D. no local extrema; no absolute extrema
Solve the problem.A person puts $29 into a bank account on January 1, $39 on February 1, $49 on March 1, and so forth. How much has the person put into the bank account by December 30?
A. $834 B. $1068 C. $1008 D. $2016
Use a graphing utility to find the equation of the line of best fit. Round to two decimal places, if necessary.Managers rate employees according to job performance and attitude. The results for several randomly selected employees are given below.
A. y = -47.3 + 2.02x B. y = 11.7 + 1.02x C. y = 2.81 + 1.35x D. y = 92.3 - 0.669x
Write the radical as a rational expression. Assume that variables are nonnegative real numbers.
A. h2h7 B. h14 C. h2/7 D. h7/2