Divide.
A. 7 + 
i
B. - 
+ 7i
C. -7 - 
i
D. 
- 7i
Answer: A
You might also like to view...
Solve the equation
?
?
A. 
B. 
C. 
D. 
E. 
Solve the problem.The rational function C(x) = 
, 0 ? x < 100describes the cost, C, in millions of dollars, to inoculate x% of the population against a particular strain of the flu. Determine the difference in cost between inoculating 70% of the population and inoculating 50% of the population. (Round to the nearest tenth, if necessary.)
A. $0.8 million B. $0.9 million C. $186.7 million D. $186.6 million
Solve the system of equations by using the inverse of the coefficient matrix. x - y + 4z = 15x + z = 0 x + 2y + z = -2
A. x = 0, y = -1, z = 0 B. x = 0, y = -1, z = 1 C. x = 0, y = 0, z = -1 D. No inverse, no solution for system
Sketch the graph and show all local extrema and inflection points.y = x
4
A. Absolute minimum: (10, 0)
No inflection points
B. Absolute maximum: 
Absolute minimum: (10, 0)
Inflection points: 
C. Local maximum: 
Local minimum: (10, 0)
Inflection points: 
, (10, 0)
D. Local maximum: 
Local minimum: (10, 0)
Inflection point: 
