Sketch the graph of the quadratic function.f(x) = 2(x - 4)2 - 1
A. 
B. 
C. 
D. 
Answer: B
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Find the indicated roots. Write the answer in trigonometric form.Fifth roots of 32(cos 320° + i sin 320°)
A. 2(cos 64° + i sin 64°), 2(cos 136° + i sin 136°), 2(cos 208° + i sin 208°), 2(cos 280° + i sin 280°), 
B. 2(cos 320° + i sin 320°), 2(cos 410° + i sin 410°), 2(cos 500° + i sin 500°), 2(cos 590° + i sin 590°), 
C. 2(cos 64° + i sin 64°), 2(cos 154° + i sin 154°), 2(cos 244° + i sin 244°), 2(cos 334° + i sin 334°), 
D. 2(cos 320° + i sin 320°), 2(cos 392° + i sin 392°), 2(cos 464° + i sin 464°), 2(cos 536° + i sin 536°), 
Simplify the expression. If any variables are present, assume that they are positive.
A. 2xy
B. 4
C. 2
D. 
Evaluate. Assume u > 0 when ln u appears. 
dx
A. 
+ C
B. (ln 6x)2 + C
C. 
+ C
D. 
+ C
How many square feet of sheet metal are needed for the sides of the cylindrical tank shown in the illustration? (Allow 3 in. for seam overlap.)
A. 49 ft 2 B. 94 ft 2 C. 120 ft 2 D. 97 ft 2 E. 190 ft 2