Given f(x) = x + 36/x.
(a) Find the intervals on which f is increasing or decreasing.
(b) Find the relative maxima and relative minima of f.
a. (a) Increasing on (-6, 6), decreasing on (?, -6) and (6, ?)
(b) Rel. max. f(6) =12.
rel. min. f(-6) = -12.
b. (a) Increasing on (-6, 0) and (0, 6), decreasing on (?, -6) and (6, ?)
(b) Rel. max. f(6) =12,
rel. min. f(-6) = -12.
C. (a) Increasing on (-?, -6) and (6, ?), decreasing on (-6, 0) and (0, 6)
(b) Rel. max. f(-6) =12.
rel. min. f(6) = 12.
d. (a) Increasing on (-?, -6) and (6, ?), decreasing on (-6, 6)
(b) Rel. max. f(-6) =12.
rel. min. f(6) = 12.
C. (a) Increasing on (-?, -6) and (6, ?), decreasing on (-6, 0) and (0, 6)
(b) Rel. max. f(-6) =12.
rel. min. f(6) = 12.
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B. 
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C. 
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A. 22 ft B. 23 ft C. 27 ft D. 25 ft
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, 
, and
?
A. 
B. 
C. 
D. 
E. 
Divide. Simplify, if possible.
÷ 5
A. 
B. 
C. 
D. 3