Find a polynomial function f(x) of least possible degree having the graph shown.
A. f(x) = 5(x + 1)(x - 1)
B. f(x) = -5(x + 1)(x - 1)
C. f(x) = 5(x + 1)2(x - 1)2
D. f(x) = -5(x + 1)2(x - 1)2
Answer: D
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Provide an appropriate response.Perform the indicated operation, leaving the answer in lowest terms: 
× 
=
A. 
B. 
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Write the answer to the problem as an algebraic expression.Elizabeth earned 17 dollars a day at her job. Assuming a 5-day work week, how much did she earn in s weeks?
A. (85 + s) dollars B. 85s dollars C. (17 + s) dollars D. 17s dollars
Find the mean for the group of data items. Round to the nearest hundredth, if necessary.2.5, 5.9, 7.6, 1.3, 2.5, 2.2, 2.5, 2.6, 2.6, 9.1
A. 4.31 B. 3.62 C. 3.88 D. 3.38
Solve the problem.It costs $27 per hour plus a flat fee of $20 for a plumber to make a house call. After writing an equation for this situation, suppose the total cost to have a plumber come to a house is $290. How many hours did the plumber work?
A. 6 hr B. 10 hr C. 17 hr D. 21 hr