Solve the initial value problem.?2
- 3?y = ?5 sec ? tan ?; ? > 0, y(?) = 0
A. y = - 
- ?2 , ? > 0
B. y = 
+ ?3 , ? > 0
C. y = - 
- ?3 , ? > 0
D. y = 
+ ?2 , ? > 0
Answer: C
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Solve.A 53-kg skateboarder on a 3-kg board starts coasting on level ground at 8 m/sec. Let k = 3.2 kg/sec. How long will it take the skater's speed to drop to 2 m/sec?
A. 24.26 sec B. 1.30 sec C. 22.96 sec D. -24.26 sec
Find the first year's depreciation using the MACRS method of depreciation and the MACRS depreciation rates table. Round to the nearest dollar.MACRS Depreciation Rates 
Cost: $402,500Period: 27.5-year
A. $1,402,713 B. $15,094 C. $14,027 D. $14,611
Rationalize the denominator. Assume that all variables represent positive real numbers.
A. 
B. 
C. 
D. 
Sketch the graph of the pair of functions. Use a dashed line for g(x).f(x) = x2 , g(x) = x2 - 6
A. 
B. 
C. 
D. 