Solve.
= 5
A. ±13j
B. 13
C. ±13
D. 13j
Answer: C
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Solve the problem.A power plant is located on a river that is 700 feet wide. To lay a new cable from the plant to a location in a city 1 mile downstream on the opposite side costs $175 per foot across the river and $150 per foot along the land. Suppose that the cable goes from the plant to a point Q on the opposite side that is x feet from the point P directly opposite the plant. Write a function C(x) that gives the cost of laying the cable in terms of the 
A. C(x) = 150
+ 175(5280 - x)
B. C(x) = 175(700 - x) + 150(1 - x)
C. C(x) = 175
+ 150(5280 - x)
D. C(x) = 175
+ 150(1 - x)
Find f(x) at the indicated value of x.f(x) = 8x - 2, x = 3
A. 6 B. 26 C. 18 D. 22
Perform the operation and write the result in the standard form.(7 + 3i)2
A. 40 + 42i B. 58 + 42i C. 40 - 42i D. 58 - 42i
Solve the problem.A game has payoff matrix 
.(a) Determine the optimal strategy for R.(b) Determine the optimal strategy for C.(c) Determine the value of the game.
What will be an ideal response?