Graph the set of points whose polar coordinates satisfy the given equation or inequality.? = 
, 0 ? r ? 4
A. 
B. 
C. 
D. 
Answer: B
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Solve the problem.Find a formula for the distance from the point P(x, y, z) to the z-axis.
A. 
B. 
C. 
D. 
Solve the problem.If the price for a product is given by p = 6400 - x2, where x is the number of units sold, then the revenue is given by R = px = 6400x - x3. How many units must be sold to give zero revenue?
A. 0, 80 B. 6400 C. 0, 6400 D. 0
Perform the indicated operation.-16 ? (-16)
A. -272 B. -256 C. 272 D. 256
A manufacturer wants to enlarge an existing manufacturing facility such that the total floor area is 1.5 times that of the current facility. The floor area of the current facility is rectangular and measures 290 feet by 80 feet. The manufacturer wants to increase each dimension by the same amount. ?
A. A(x) = (290 - x)(80 - x) = 34,800 ft2 B. A(x) = (290 - x)(80 + x) = 34,800 ft2 C. A(x) = (290 + x)(80 - x) = 34,800 ft2 D. A(x) = (290 + x)(80 + x) = 34,800 ft2 E. A(x) = (290 - x)(80 - x) = -34,800 ft2