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For Exercises 67–73, assume that f is differentiable over
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- Suppose f and g are the piecewise-defined functions defined here. For each combination of functions in Exercises 51–56, (a) find its values at x = -1, x = 0, x = 1, x = 2, and x = 3, (b) sketch its graph, and (c) write the combination as a piecewise-defined function. f(x) = { (2x + 1, ifx 0 g(x) = { -x, if x 2 8(4): 51. (f+g)(x) 52. 3f(x) 53. (gof)(x) 56. g(3x) 54. f(x) – 1 55. f(x – 1)arrow_forwardIn Exercises 17–20, the linear function. use the limit definition to calculate the derivative ofarrow_forwardFor Problems 4 – 8, let S be an uncountable set. Label each of the following statements as true or false, and justify your answer. There exists a bijective function f : J → S.arrow_forward
- In Exercises 11–18, use the function f defined and graphed below toanswer the questions. (a) Does f (-1) exist?arrow_forwardIn Exercises 25–30, give a formula for the extended function that iscontinuous at the indicated point.arrow_forwardIn Exercises 27–28, let f and g be defined by the following table: f(x) g(x) -2 -1 3 4 -1 1 1 -4 -3 -6 27. Find Vf(-1) – f(0) – [g(2)]² + f(-2) ÷ g(2) ·g(-1). 28. Find |f(1) – f0)| – [g(1)] + g(1) ÷ f(-1)· g(2).arrow_forward
- Use the Extreme Value Theorem to show that each function f in Exercises 49–54 has both a maximum and a minimum value on [a, b]. Then use a graphing utility to approximate values M and m in [a, b] at which f has a maximum and a minimum, respectively. You may assume that these functions are contin- uous everywhere. 49. f(x) = xª – 3x² – 2, [a, b] = [–2, 2] 50. f) — х1 — 3х? — 2, [а, b] — [0, 2] 51. f) %3D х* - Зx? - 2, [а, b] %—D [-1, 1] 52. f(x) = 3 – 2r² +x³, [a, b] = [-1, 2] 53. f(x) = 3 – 2x2 +x³, [a, b] = [0, 2] 54. f(x) = 3 – 2x?+x³, [a, b] = [–1, 1] %3Darrow_forwardEach of Exercises 15–30 gives a function f(x) and numbers L, c, and ɛ > 0. In each case, find an open interval about c on which the inequal- ity |f(x) – L| 0 such that for all x satisfying 0 0, L= 2m, c = 2, — тх, ɛ = 0.03 28. f(x) = mx, ɛ = c > 0 L = 3m, c = 3, m > 0, L = (m/2) + b, 29. f(x) c = 1/2, m> 0, ɛ = c > 0 = mx + b, 30. f(x) 3D тх + b, m> 0, L%3Dm+ b, с %3D 1, &%3D 0.05arrow_forwardIn Exercises 83–86, determine whether thestatement is true or false. If it is false, explain why or give anexample that shows it is false. If the graph of a function has three x-intercepts, then it musthave at least two points at which its tangent line is horizontalarrow_forward
- Calculus: Early TranscendentalsCalculusISBN:9781285741550Author:James StewartPublisher:Cengage LearningThomas' Calculus (14th Edition)CalculusISBN:9780134438986Author:Joel R. Hass, Christopher E. Heil, Maurice D. WeirPublisher:PEARSONCalculus: Early Transcendentals (3rd Edition)CalculusISBN:9780134763644Author:William L. Briggs, Lyle Cochran, Bernard Gillett, Eric SchulzPublisher:PEARSON
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