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Math 1431 LAB session 6 Quiz 11 Example 1: The function f is graphed below on the interval [-4, 4].Give the number of values c between -4 and 4 which satisfy the conclusion of the mean value theorem for f. Example 2: A) 29 B) 25 Determine if Rolles Theorem applies to the function f (x) = x5 interval that satisfy the theorem. C)- 29 D) 27 x on [-1, 0]. If so, find all numbers c on the A) 29 Example 3: B) 25 f (x) = x5 C)- 29 D) 27 x p Determine if the function f (x) = 5 x x satisfies the Mean Value Theorem on [4, 9]. If so, find all numbers c on the interval that satisfy the theorem. f (x) = x25x+3 f (x) = 7x 7 sin x f (x) = 3 sin2 (x) f (x) = 4x2 (3 f (x) = x4 x)2 x2 f (x) = 13 x3 3 2 x 2 f (x) = 4x4 2x2 + 10 10x + 17 f (x) = f (x) = x2 + 8x + 19 A) 29 B) 25 C)- 29 f (x) = x5 Example 4: p f (x) = 5 x x x2 5 6x 4+x 2 D) 87 > < 3x if 0 x 1 f (x) = x 4 if 1 < x 5 > : 6 x if 5 < x 7 Find the intervals on which the following function increases. f (x) = 5x x2 +3 5 x2 f (x) = 5 x Example 5: f (x) = 5x x2 +3 Find the intervals on which f (x) = 4x2 (3 A) 29 B) 25 f (x) = x5 p f (x) = 5 x x)2 C)- 29 decreases. D) 27 x x2 5x x2 +3 Example 6: f (x) = Find the intervals on which f (x) = 7x 7 sin x increases for 0≤x≤2π. f (x) = 4x2 (3 x)2 5 f (x) = 7x Example 7: 7 sin x f (x) = 3 sin2 (x) Find the intervals on which f (x) = 4x2 (3 A) 29 B) 25 f (x) = x5 C)- 29 D) 27 x 5x x2 +3 A) 29 f (x) = 7x 7 sin x f (x) = 4x2 (3 f (x) = x4 x)2 3 2 x 2 f (x) = D) 27 x x2 2 A) 5x 9 B) 25 x2 +3 5 f (x)7 = f (x) = 7x sinx x 10x + 17 2 f (x) = 3fsin (x)(x) = f (x) = 4x4 2x2 + 10 Question #: f (x) = 4x2 (3 8 > 3x if 0 x 1 B)not applicable< f (x) = x 4 if 1 < x 5 > : 6 x if 5 < x 7 D)-1; 0; 1 f (x) = x4 x2 C)- 29 x p 5 x x2 5x x2 +3 on [-2, 2]. If so, find all numbers c on f (x) = 7x 7 sin x f (x) = 3 sin2 (x) A) f (7) local minimum; f (3.8) local maximum f (x) = 4x2 (3 B) f (3) local minimum; f (5) local maximum f (x) = x4 Question #: A)( 2, 5) C)(0, 3) x)2 x2 C) f ( 2.5) local minimum; f (5.8) local maximum 1 Find the intervals on which the following function decreases f (x) = 3 x3 D) f (0) local minimum D) 27 x)2 f (x) = 5 6x to the function Determine if Rolles Theorem applies f (x) = the interval that 1, satisfy C)(0, 3) D)( 3) the [ (3,theorem. 1) 4 + x C)2; 4 C)- 29 p f (x) = 5 x x2 f (x) = 13 x3 B) 25 f (x) = x5 f (x) = 3 sin2 (x) A)5; 9 x)2 x p f (x) = 5 x f (x) = decreases for 0≤x≤π. 5 3 2 x 2 10x + 17 B)( 1, 2) [ (5, 1) D)( 1, 3) [ (3, 1) A)5; 9 B)not applicable C)2; 4 D)-1; 0; 1 5 5 f (x) = 7x 7 sin x f (x) = 3 sin2 (x) Quiz 12 f (x) = 4x2 (3 f (x) = x4 Example 8: f (x) = 13 x3 Find the critical numbers of f (x) = 4x4 x)2 x2 3 2 x 2 10x + 17 2x2 + 10 and classify all local extreme values. D) 27 5 10x + 17 0 Example 9: Find the critical numbers of the following function and classify all local extreme values. f (x) = 5 6x 4+x 5 f (x) = x5 x Example 10: f (x) = p f (x) = 5 x Find the critical numbers of f (x) = x2 f (x) = x2 + 8x + 19 5 6x 4+x and classify all extreme values given -5≤x≤5 5x x2 +3 f (x) = 7x 7 sin x f (x) = 3 sin2 (x) f (x) = 4x2 (3 f (x) = x4 x)2 x2 f (x) = 13 x3 3 2 x 2 f (x) = 4x4 2x2 + 10 10x + 17 5 f (x) = 5 6x 4+x 2 (x) = + 8x numbers + 19 Example 11:fFind thexcritical of f and classify the extreme values given 8 > < 3x if 0 x 1 f (x) = x 4 if 1 < x 5 > : 6 x if 5 < x 7 5 f (x) = x4 x2 f (x) = 13 x3 3 2 x 2 f (x) = 4x4 2x2 + 10 10x + 17 For the following questions you are given the graph of the derivative of f(x) Question #: A) 29 List all critical points for function f(x) B) 25 C)- 29 f (x) = x5 D) 27 f (x) = x 5 6x 4+x 2 f (x) = x + 8xp+ 19 f (x) = 5 x f (x) = x 8 > < 3x if 0 x 1 f (x) = x 4 if 1 < x 5 7 sin x > : 6 x if 5 < x 7 5x x2 +3 f (x) = 7x f (x) = 3 sin2 (x) A)-1.5; 4 B)-4; 3; 5 f (x) = 4x2 (3 C)3; 5 D)-4; 3 x)2 A)f (7) local minimum; f (3.8) local maximum 4 2 f (5) local fmaximum (x)2 = xB) 2 x A) C)- 29 D) 27 9 5 C)f ( 2.5) local minimum; f (5.8) local maximum 1 3 ff(x) (x)==3xx5 3 2 x2 x B)f (3) local minimum; Df (0) local minimum 10x + 17 p 4 2 ff(x) (x)==4x 5 x 2xx + 10 Question #: f (x) = 5x x2 +3 f (x) = 7x Classify all critical points of function f(x) 5 5 6x 4+x f (x) = 7 sin x 8 > < 3x if 0 x 1 f (x) = 3 sin2 (x) f (x) = x 4 if 1 < x 5 > : 6 x if 5 < x 7 f (x) = 4x2 (3 x)2 A) f (7) local minimum; f (3.8) local maximum f (x) = x4 x2 B) f (3) local minimum; f (5) local maximum f (x) = 13 x3 32 x2 10x + 17 C) f ( =2.5) f (5.8) local maximum f (x) 4x4 local 2x2minimum; + 10 D) f (0) local minimum f (x) = Question #: 5 6x 4+x 8 > < 3x f (x) = x 4 > : 6 5x if 0 x 1 if 1 < x 5 if 5 < x 7 A) f (7) local minimum; f (3.8) local maximum B) f (3) local minimum; f (5) local maximum Find the intervals where function f(x) decreases C) f ( 2.5) local minimum; f (5.8) local maximum D) f (0) local minimum A)( 1, 3) [ (0, 3) C)(0, 3) B)( 2, 2) D)( 1, 3) [ (3, 1) 5