Use the table to find the instantaneous velocity of y at the specified value of x.x = 1.
A. 1
B. 0.5
C. 1.5
D. 2
Answer: B
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Perform the indicated operations and simplify the expression.
?
?
A. 
B. 
C. 
D. 
E. 
Determine if the two fractions are equivalent.
and 
A. equivalent B. not equivalent
The total weekly revenue (in dollars) of the Country Workshop realized in manufacturing and selling its rolltop desks is given by
?
?
where x denotes the number of finished units and y denotes the number of unfinished units manufactured and sold each week. The total weekly cost attributable to the manufacture of these desks is given by
?
?
dollars. Determine how many finished units and how many unfinished units the company should manufacture each week in order to maximize its profit. What is the maximum profit(P) realizable?
?
A. x = 220; y = 80; P = 12,045
B. x = 80; y = 220; P = 12,045
C. x = 300; y = 0; P = 11,800
D. x = 220; y = 80; P = 11,800
Find the length of an arc intercepted by a central angle ? in a circle of radius r. Round your answer to 1 decimal place.r = 20.1 ft; ? = 
radians
A. 4.9 ft B. 1.2 ft C. 2.4 ft D. 7.3 ft