Decide whether the problem is an equation or an expression.9(3x + 7) - 7(6x - 4)
A. Expression
B. Equation
Answer: A
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Use the graph of a power function and transformations to sketch the graph of the polynomial function.f(x) = 3 - (x + 2)4
A. 
B. 
C. 
D. 
Write the series in summation notation. Use the index i and let i begin at 1 in each summation.0 + 2 + 6 + 12 + 20
A. 
B. 
C. 
D. 
Solve graphically. Round solutions to three decimal places, where appropriate.2x2 + 4x = 5
A. -8.612, 2.612 B. -2.871, 0.871 C. -3.445, 1.045 D. -15.158, 4.598
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