The graph of a function is given. Decide whether it is even, odd, or neither.
A. even
B. odd
C. neither
Answer: A
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Solve the problem.Doctors use the rational expression 
to determine the dosage of a drug prescribed for children. In this expression, A = child's age and D = adult dosage. What is the difference in the child's dosage for an 8-year-old child and a 4-year-old child? Express the answer as a single rational expression in terms of D.
A. 
D
B. 
D
C. 14D
D. 
D
Use integration by parts to establish a reduction formula for the integral.
, n ? 1
A. 
= 
cotn-1 x - 
B. 
= 
cotn-1 x + 
C. 
= 
cotn-2 x - 
D. 
= - cotn-1 x + 
Solve the problem.Assume that a watermelon dropped from a tall building falls 
in t sec. Find the watermelon's average speed during the first 5 sec of fall and the speed at the instant 
A. 160 ft/sec; 81 ft/sec B. 40 ft/sec; 80 ft/sec C. 81 ft/sec; 162 ft/sec D. 80 ft/sec; 160 ft/sec
Solve the trigonometric equation symbolically, graphically, or numerically for 
sec2 ? - 2 = 0
A. ? = 135°, 315° B. ? = 30°, 150°, 210°, 330° C. ? = 45°, 135°, 225°, 315° D. ? = 30°, 330°