Solve the equation by the square root property. If possible, simplify radicals or rationalize denominators. Express imaginary solutions in the form 
13x2 - 7 = 0
A. 
B. 
C. 
D. 
Answer: D
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Choose which of the following descriptions apply to the number (more than one may apply): whole, integer, rational, irrational, real.
A. Real, irrational B. Real, whole C. Real, rational, integer D. Real, rational
Use Cramer's rule to solve the linear system.
A. x = 2, y = -1, z = -6 B. x = 1, y = 6, z = 1 C. x = 2, y = 1, z = 6 D. x = 3, y = -1, z = 6
Find the expected value.Mr. Cameron is sponsoring an summer concert. He estimates that he will make $300,000 if it does not rain and make $60,000 if it does rain. The weather bureau predicts the chance of rain is 0.34 for the day of the concert. What are Mr. Cameron's expected concert earning?
A. $300,000 B. $360,000 C. $60,000 D. $218,400
Graph the function.f(x) = 1 - e-0.98x
A. 
B. 
C. 
D. 