Evaluate using integration by parts.
A. -10x e-5x - 80 e-5x + C
B. - 
x e-5x - e-5x + C
C. 
x e-5x + 
e-5x + C
D. - 
x e-5x - 
e-5x + C
Answer: D
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Integrate the function f over the given region.f(x, y) = 
over the region bounded by the x-axis, line 
and curve 
A. 7 B. 8 C. 1 D. 6
Solve.A substance has a melting point of 575°K. At what Celsius and Fahrenheit temperatures would this substance melt? Round to the nearest hundredth.
A. 575.33°C, 301.85°F B. 302°C, 149.92°F C. 301.85°C, 575.33°F D. 848.15°C, 511.33°F
Insert parentheses in order to make the statement true.4 ? 9 - 3 = 24
A. 4 ? 9 (-3) = 24 B. 4 ? (9 - 3) = 24 C. (4 ? 9) - 3 = 24 D. (4)(9)(-3) = 24
Solve the problem.
gives the alcohol level in an average person's blood x hrs after drinking 8 oz of 100-proof whiskey. If the level exceeds 1.5 units, a person is legally drunk. Would a person be drunk after 5 hours?
A. Yes B. No