Perform the indicated operation. Simplify if possible.
+ 
A. 
B. 
C. 5x - 1
D. 
Answer: B
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Given the graph of f, find any values of x at which f ' is not defined.
A. x = -2, 2 B. x = -2, 0, 2 C. x = 0 D. Defined for all values of x
L'Hopital's rule does not help with the given limit. Find the limit some other way.
A. -1 B. ? C. 0 D. 1
Three players (one divider and two choosers) are going to divide a cake fairly using the lone divider method. The divider cuts the cake into three slices (s1, s2, and s3).If the choosers' declarations are Chooser 1: {s2 , s3} and Chooser 2: {s1 , s3}, which of the following is not a fair division of the cake?
A. Chooser 1 gets s1; Chooser 2 gets s3; Divider gets s2. B. Chooser 1 gets s2; Chooser 2 gets s3; Divider gets s1. C. Chooser 1 gets s2; Chooser 2 gets s1;Divider gets s3. D. Chooser 1 gets s3; Chooser 2 gets s1; Divider gets s2. E. none of these
Solve the problem.A circular oil slick spreads so that as its radius changes, its area changes. Both the radius r and the area A change with respect to time. If dr/dt is found to be 2.3 m/hr, find dA/dt when r = 34.5 m. Hint: 
and, using the Chain Rule, 
= 
? 
.
A. 317.4? m2/hr B. 158.7? m2/hr C. 79.35? m2/hr D. 39.675? m2/hr