Graph the function over a one-period interval.y = 2 cos
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Evaluate the expression.(-2)0
A. 0 B. 1 C. -2 D. -1
Mathematics
Solve the problem.A mail sorter cost $2900 and has an estimated life of 9 years and a scrap value of $116. Find the book value at the end of 2 years using the straight-line method. Round to nearest dollar.
A. $619 B. $2256 C. $2281 D. $2591
Mathematics
Add. Write your answer in lowest terms.
A. 1
B. 
C. 
D. 1
Mathematics
Use the minimum and maximum features of a graphing calculator to find approximately the intervals on which the function is increasing or decreasing. Round your values to two decimal places, if necessary.y = -6x2 - 2x + 8
A. inc (-?, -1.33), dec (-1.33, ?) B. inc (-1.33, -0.17), dec (-0.17, -1.33, ?) C. inc (-?, -0.17), dec (-0.17, ?) D. dec (-?, -0.17), inc (-0.17, ?)
Mathematics