Completely reduce the fraction.
?
?
A. 
B. ?
C. ?
D. ?
E. ?
Answer: B
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Find the absolute maxima and minima of the function on the given domain.
on the rectangular region 
A. Absolute maximum: 
at 
absolute minimum: 
at 
B. Absolute maximum: 
at 
absolute minimum: 
at 
C. Absolute maximum: 
at 
absolute minimum: 
at 
D. Absolute maximum: 
at 
absolute minimum: 
at 
Solve the problem.Identify the incorrect statements about limits.I. The number L is the limit of f(x) as x approaches x0 if f(x) gets closer to L as x approaches x0.II. The number L is the limit of f(x) as x approaches x0 if, for any ? > 0, there corresponds a ? > 0 such that 
< ? whenever 0 < 
< ?.III. The number L is the limit of f(x) as x approaches x0 if, given any ? > 0, there exists a value of x for which 
< ?.
A. I and III B. II and III C. I and II D. I, II, and III
Solve.A tower casts a shadow 114 ft long, and at the same time a 9.0-ft post casts a shadow 8.0 ft long. How high is the tower? Round to the nearest unit.
A. 128 ft B. 115 ft C. 101 ft D. 8 ft
Solve the equation by completing the square.
+ x + 1 = 0
A. -5 ± 
B. 5 + 
C. -10 ± 
D. 5 - 
, 5 + 