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Warm up
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Quick 3.1 Review
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Extrema: Maximum (highest point) and minimum (lowest point) of a function
2 Types: Absolute or global Relative or local
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Absolute Extrema Absolute/global maximum: f(x) has an absolute max at x = c if f(c) ≥ f(x) for every x in the domain we are working on. Absolute/global minimum: f(x) has an absolute min at x = c if f(c) ≤ f(x) for every x in the domain we are working on.
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Absolute Max and Mins
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Extreme Value Theorem If f is continuous on [a, b], then f has both a minimum and a maximum on the interval. f(x) is continuous on the interval [-1, 2], so by EVT, f(x) will have a minimum and a maximum on this interval.
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Relative Extrema Relative/ local maximum: f(x) has a local max at x = c if there is an open interval containing c and f(c) is a maximum Relative/local minimum: f(x) has a local min at x = c of there is an open interval containing c, and f(c) is a minimum.
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Rolle’s Theorem and the Mean Value Theorem
Section 3.2 Rolle’s Theorem and the Mean Value Theorem
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Rolle’s Theorem Let f be continuous on [a, b] and differentiable on (a, b). If f(a) = f(b), then there exists some c in (a, b) such that f’(c) = 0.
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Mean Value Theorem
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Homework P. 176 # 1 – 21 EOO, 33, 39 – 47 odd, 55, 57, 67 – 71 odd
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