Use the fundamental identities to simplify the expression.sin ? cos ? sec ? csc ?
A. sec2?
B. 1
C. tan2?
D. csc2?
Answer: B
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Solve the problem.Find the inflection points (if any) on the graph of the function and the coordinates of the points on the graph where the function has a local maximum or local minimum value. Then graph the function in a region large enough to show all these points simultaneously. Add to your picture the graphs of the function's first and second derivatives.y = x5 - 4x4 - 200 
What will be an ideal response?
Solve the problem.A pulley of radius 11 cm rotates 13 times in 32 sec. Find the angular speed of the pulley.
A. 
radians/sec
B. 
radians/sec
C. 
radians/sec
D. 
radians/sec
Find the coordinates of points A, B, C, and D.
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Solve the rational inequality. Express your solution on a number line using interval notation.
< 0
A. (-?, -2) ? (1, 7) ? (9, ?)
B. (-?, -2) ? [1, 7) ? [9, ?)
C. (-2, 1] ? (7, 9]
D. (-2, 1) ? (7, 9)