Add and, if possible, simplify.
+ 
A. 
B. 
C. 
D. 
Answer: A
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Rectangular coordinates of a point are given. Use a graphing utility in radian mode to find polar coordinates of the point.(3, 6) Express both r and ? to two decimal places.
A. (6.71, - 1.11) B. (6.71, - 4.25) C. (6.71, 1.11) D. (6.71, 4.25)
Determine whether f is continuous at c.f(x) = 
;c = 1
A. continuous B. not continuous
A manufacturer has an order for 1,100 units of fine paper that can be produced at two locations. Let x?1 and x?2 be the numbers of units produced at the two plants. Find the number of units that should be produced at each plant to minimize the cost if the cost function is given by 
.
?
A. 
units and 
units
B. 
units and 
units
C. 
units and 
units
D. 
units and 
units
E. 
units and 
units
Solve the problem.The number of new mini-vans sold by a particular salesperson during the month of March is exponentially distributed with a mean of 3. What is the probability that the salesperson will sell between 2 and 6 mini-vans in March?
A. 0.349 B. 0.284 C. 0.245 D. 0.378