Determine whether the graph is the graph of a function.
A. yes
B. no
Answer: A
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Solve the problem. Round your answer, if appropriate.Boyle's law states that if the temperature of a gas remains constant, then PV = c, where 
, 
, and c is a constant. Given a quantity of gas at constant temperature, if V is decreasing at a rate of 15 in. 3/sec, at what rate is P increasing when P = 70 lb/in.2 and V = 50 in.3? (Do not round your answer.)
A. 
lb/in.2 per sec
B. 21 lb/in.2 per sec
C. 
lb/in.2 per sec
D. 
lb/in.2 per sec
Find the average value of 
over the given region.
z2 over the rectangular solid in the first octant bounded by the coordinate planes and the planes 
, 
, 
A. 
B. 
C. 12
D. 96
Multiply in the indicated base. 2357 × 67
A. 22127 B. 21127 C. 20127 D. 21337
Graph each system of inequalities and shade the portion on the graph represented by the solution set.2x + y ? 4 x - 1 > 0
A. 
B. 
C. 
D. 