Solve the problem.Find f(2) when f(x) = x2 + 5x + 7.
A. -13
B. 21
C. 1
D. 7
Answer: B
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Find the equation of the parabola with the given properties.Vertex: (-4, -2); vertical axis of symmetry; containing the point (-6, 6)
A. 
(x + 4) = (y + 2)2
B. 
(x + 2) = (y + 4)2
C. 
(y + 2) = (x + 4)2
D. 
(y + 4) = (x + 2)2
Use Bayes' rule to find the indicated probability.Two shipments of components were received by a factory and stored in two separate bins. Shipment I has 2% of its contents defective, while shipment II has 5% of its contents defective. If it is equally likely an employee will go to either bin and select a component randomly, what is the probability that a defective component came from shipment II?
A. 0.714 B. 0.222 C. 0.5 D. 0.2
Simplify the expression and write the answer without negative exponents.
A. 
B. x9
C. 
D. x5
Solve the equation in the complex number system.x4 = 625
A. {-5, 5} B. {-5, 5, 5i} C. {5} D. {-5, 5, -5i, 5i}