Match the correct function to the graph.
A. y = -2x2 - 1
B. y = -2x2
C. y = 1 - x2
D. y = -2x2 + 1
Answer: D
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Find 
.y = 8 4x2 + 9x
A. 88x + 9 ? ln 8 B. (8x + 9) 8 4x2 + 9x C. (8x + 9) 8 4x2 + 9x ? ln 8 D. (8x + 9) 8 4x2 + 9x ? log8x
Perform the indicated operation. Write the answer in simplest form.
? 
A. 
B. 
C. 
D. 
Use these sets to find the following. Identify any disjoint sets.Let U = {4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14}, M = {4, 6, 8, 10}, 
and 
M ? N
A. ?; M and N are disjoint sets. B. {5, 6, 7, 8, 9, 10, 11, 12, 13} C. {4, 5, 6, 7, 8, 9, 13} D. {4, 5, 6, 7, 8, 9, 10, 11, 13}
Solve the problem. Round to the nearest dollar unless otherwise stated.A watch shop made the following purchases of watchbands:Beginning inventory:15 watchbands at $66.00August:24 watchbands at $42.10October:26 watchbands at $38.70November:13 watchbands at $76.00Inventory at year end shows that 17 watchbands remain. Find the inventory value using the weighted average, FIFO, and LIFO methods.
A. Weighted average: $871 FIFO: $1292 LIFO: $1122 B. Weighted average: $1292 FIFO: $1143 LIFO: $1074 C. Weighted average: $1292 FIFO: $1143 LIFO: $1122 D. Weighted average: $871 FIFO: $1143 LIFO: $1074