please take part b into account which i posted seperately (c) If f e R[a, b]...
3. (a) Suppose f : (a, b) + R is differentiable, and there exists M E R such that If'(x) < M for all x € (a, b). Prove that f is uniformly continuous on (a, b). (b) Let f : [0, 1] → [0, 1] be a continuous function. Prove that there exists a point pe [0, 1] with f(p) = p.
2a) Let a, b e R with a < b and let g [a, bR be continuous. Show that g(x) cos(nx) dx→ 0 n →oo. as Hint: Let ε > 0, By uniform continuity of g, there exists δ > 0 such that 2(b - a Choose points a = xo < x1 < . . . < Xm such that Irh-1-2k| < δ. Then we may write rb g (z) cos(nx) dx = An + Bn where 7m (g(x)...
Exercise 1. Let f : R R be differentiable on la, b, where a, b R and a < b, and let f be continuous on [a, b]. Show that for every e> 0 there exists a 6 > 0 such that the inequality f(x)- f(c) T-C holds for all c, x E [a, 히 satisfying 0 < |c-x| < δ
Problem 10. Let f,g: [a,b] -R be Riemann integrable functions such that f(x) < g(x) for all x E [a,b]. Prove that g(x)
3) Prove that there exists f : R → R non-negative and continuous such that f € L'OR : dm) ( i.e. SR \f|dm <00) and lim sup f(x) = ∞. 2-0
Let f : [a, b] → R and g : [a, b] → R be two continuous functions such that f(x) > g(x) for all x € (a,b]. 1. Show that there exists d > 0 such that f(x) > g(x) + 8 for all x € [a, b]. (Hint: introduce h := f -9] 2. Assume that g(x) > 0 for all x € [a, b]. Show that there exists k >1 such that f(x) > kg(x) for all...
Let f, g E H(C) be such that |f(z)| < \g(z)| for any z e C. Show that there exists a E D(0,1) such that f(z) = ag(z) for any z E C. (Hint: consider f/g and be careful with the zeros of g.)
Bartle The Elements of Integration and Lebesgue Measure: 4.R. If fe M*(X, X) and is due < +00, then the set N = {xe X: f(x) > 0} is o-finite (that is, there exists a sequence (Fa) in X such that N CU Fn and u(F.) < too).
Part (c) please 6. (continued) Recall that f: [-7,7] → R is the function ſo if – <r<0 f(0) = { if 0 SIS and its Fourier series is the function F: R R given by (-1)" - 1 FC) = - + 11=1 TTn? cos(not) + (-1)"+1 n sin (n.) (b) Sketch the graph of F. In your sketch, clearly indicate the point (37, F(37)). (c) Does the Fourier series of f converge uniformly on [-27, 2n]? Provide a...
please help with this 3 part A-C question. thanks! <Chapter 9 Item 11 Determine the pH for the following solutions. Part A [H, 0+) = 3.0x10-8 M Express your answer using two decimal places. V AEP R O ? pH = Submit Request Answer • Previous <Chapter 9 Item 11 Determine the pH for the following solutions. Part B [H3O+] = 7.3x10-2 M Express your answer using two decimal places. V AE - O ? pH = Submit Request Answer...