Solve by the quadratic formula. Simplify answers. Use i notation for nonreal complex numbers.2x2 = 14
A. x = 7
B. x = ± 7
C. x = 8
D. x = ±
Answer: D
Mathematics
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Find the complex zeros of the quadratic function.h(x) = x2 - 8x + 20
A. x = 4 + 2i, x = 4 - 2i B. x = 4 - 4i, x = 4 + 4i C. x = 6, x = 2 D. x = 4 + 2i
Mathematics
Perform the indicated operation(s), whenever possible.Let A = 
and B = 
. Find 
A. 
B. 
C. 
D. 
Mathematics
For a certain product, the total revenue is given by 
, and the total cost is given by 
. Write an integral that gives the average profit for the product over the interval from 4 to 11
?
A. 
B. 
C. 
D. 
E. 
Mathematics
Match the system of inequalities with a graph.4y - x ? 2,y + 3x ? 4,y ? 0
A. 
B. 
C. 
D. 
Mathematics