Just 43 and 45 finding critical points AASECTION 4.1 First Derivative and Graphs25343. (x)) =x + 4x +3045. (x) = (x + 3)e44. /(x)= x-&+32(x)/ t+46. /(x) = (x + 2)248. /(x) = (r-4)(x²-4)3()/4In Problems 49-56, find the intervals on hich f(x) is increasingand the intervals on which /(x) is decreasing. Then sketch thegraph. Add horizontal tangentr limes.49. /(x)=4+ 8x-x50. /(x) = 2r- &+ 951. /(x) =r- 3x +152. (x)=x- 12x + 253. (x) 10- 12x + 654. (x) = 3+ 3x55. (x) = x - 1856. /(x)- + 50xcritical numbers of f(x) to hwo decimal places, Find the inter-vals on which f(x) is increasing, the intervals on which x) is

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Math

Calculus

43. (x)x + 4+30

Calculus: Early Transcendentals

8th Edition

ISBN:9781285741550

Author:James Stewart

Publisher:James Stewart

Chapter1: Functions And Models

Section: Chapter Questions

Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...

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Question

Just 43 and 45 finding critical points

AA
SECTION 4.1 First Derivative and Graphs
253
43. (x)
) =x + 4x +30
45. (x) = (x + 3)e
44. /(x)= x-&+32
(x)/ t+
46. /(x) = (x + 2)2
48. /(x) = (r-4)
(x²-4)3
()/4
In Problems 49-56, find the intervals on hich f(x) is increasing
and the intervals on which /(x) is decreasing. Then sketch the
graph. Add horizontal tangentr limes.
49. /(x)
=4+ 8x-x
50. /(x) = 2r- &+ 9
51. /(x) =r- 3x +1
52. (x)=x- 12x + 2
53. (x) 10- 12x + 6
54. (x) = 3+ 3x
55. (x) = x - 18
56. /(x)- + 50x
critical numbers of f(x) to hwo decimal places, Find the inter-
vals on which f(x) is increasing, the intervals on which x) is

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