Solve the problem.The volume (V) of a gas varies directly as the temperature (T) and inversely as the pressure (P). If V = 51 when T = 374 and P = 22, find V when T = 285 and P = 19.
A. 
B. 
C. 
D. 
E. 
Answer: B
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Solve.The length of a wrench is inversely proportional to the amount of force needed to loosen a bold. A wrench 8 inches long requires a force of 220 lb to loosen a rusty bolt. How much force would be required to loosen the same bolt using a 6-inch wrench? (Round to the nearest whole number, if necessary.)
A. 303 lb B. 293 lb C. 241 lb D. 276 lb
Use implicit differentiation to find dy/dx and d2y/dx2.x3/5 + y3/5 = 4
A. 
= - 
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= 
B. 
= 
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= - 
C. 
= 
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= - 
D. 
= - 
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= 
Solve the problem.Find the equation of a circle in standard form with center at the point (-3, 2) and tangent to the line y = 4.
A. (x + 3)2 + (y - 2)2 = 16 B. (x - 3)2 + (y + 2)2 = 16 C. (x + 3)2 + (y - 2)2 = 4 D. (x - 3)2 + (y + 2)2 = 4
Multiply or divide as indicated and reduce to lowest terms.
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A. 
B. 
C. 
D. 