Use a sketch to find the exact value of y.y = sin(tan-1 2)
A. 5
B. 
C. 
D. 2
Answer: C
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Simplify.
- 
A. 
B. 0
C. 
D. 
Solve the problem.The table lists the average annual cost (in dollars) of tuition and fees at a certain 2-year college for selected years, where year 1 represents 1992, year 3 represents 1994, and so on. Write the ordered pairs representing these data and plot the points.
A. (1, 1064), (2, 1151), (3, 1227), (4, 1289), (5, 1327)
B. (1064, 1), (1151, 3), (1227, 5), (1289, 7), (1327, 9)
C. (1, 1064), (3, 1151), (5, 1227), (7, 1289), (9, 1327)
D. (0, 1064), (1, 1151), (2, 1227), (3, 1289), (4, 1327)
Find the mean. Round to the nearest tenth unless otherwise stated.Average number of defects: 8.0, 8.2, 8.8, 7.5, 8.3, 8.0, 8.7, 8.8, 7.1, 8.0, 7.5, 7.7, 7.5, 8.2, 8.2, 6.9, 8.3, 8.7
A. 8.3 B. 7.6 C. 8.0 D. 8.5
Use the Gauss-Jordan method to find A-1, if it exists.A = 
A. 
B. 
C. 
D. Does not exist