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quixie quixie
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10 years ago
Find the absolute extrema of the given function on the indicated interval.

f(x) = sin7x + cos7x on [0, 2pi/7]

a. absolute maxima: f(2pi/7) = 1, f(0) =1, absolute minimum: f(pi/7) =0

b. absolute maximum: f(2pi/7) = 1, absolute minimum: f(pi/7) = 0

c. absolute maximum: f(pi/28) = sqrt(2), absolute minimum : f(5pi/28) = - sqrt(2)

d. absolute maximum: f(5pi/28) = sqrt(2), absolute minimum: f(pi/28) = -sqrt(2)
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10 months ago
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