Find the quotient. Write the answer in standard form.

A. -  - i
B.  - i
C.  - i
D. -  + i


Answer: C

Mathematics

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Find the volume of the indicated region.the region that lies under the plane   and over the triangle with vertices at , and 

A. 6 B. 10 C. 12 D. 8

Mathematics

Solve the problem.On the July 5 billing date, David had a balance due of $1086.77 on his credit card. The transactions during the following month were: The interest rate on the card is 1.4% per month. Using the average daily balance method, find the finance charge on August 5 (July has 31 days).

A. $13.61 B. $14.18 C. $14.33 D. $14.21

Mathematics

Solve the problem.Consider the rational inequality  > 0. Without doing any work, give the solution set. (Hint: determine the sign of the numerator and denominator.)

A. (-?, -8) B. ? C. (-9, ?) D. (-?, ?)

Mathematics

Find the inverse of the function, and state the domain and range of the inverse function.f(x) = 5 cos (2x) + 8 for 0 ? x ? 

A. f-1(x) =  cos-1 ; domain = [3, 13]; range = 
B. f-1(x) =  cos-1 ; domain = [-13, 13]; range = 
C. f-1(x) =  cos-1 ; domain = [3, 13]; range = 
D. f-1(x) =  cos-1 ; domain = [3, 13]; range = 

Mathematics