Simplify. Write your answers in the form of a+bi, where a and b are real numbers.
A. 
+ 
i
B. - 
+ 
i
C. - 
+ 
i
D. - 
- 
i
Answer: B
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Completely factor the polynomial or state that the polynomial is prime.(x + 5)2 - 13(x + 5) + 36
A. (x2 + 5x - 4)(x2 + 5x - 9) B. (x2 - 5x + 4)(x2 - 5x + 9) C. (x + 9)(x + 14) D. (x + 1)(x - 4)
Solve.An electronics manufacturer's revenue R for selling x mobile phones is given by 
A competing electronics manufacturer's revenue for selling a similar mobile phone is 
Under what circumstances will both manufacturers make the same revenue?
A. They will make the same revenue if they sell 880 phones. B. They will make the same revenue if they sell 0 or 880 phones. C. They will make the same revenue if they sell 0 or 220 phones. D. They will never make the same revenue.
Find the quadratic function y = f(x) that has the given vertex and whose graph passes through the given point.vertex 
; passing through 
A. y = 18(x - a)2 - 
B. y = 18(x + a)2 + 
C. y = 18(x + a)2 - 
D. y = 18(x - a)2 + 