6. Given the following function -x-1,if x <-1 f(x) = {x2 - 1,1f-1sxS1 x+1, if x>1...
+1 4. Consider the function ISO 0<<1 -1 = 1 0 1<*52 (x - 2)2 => 2 (a) (10) Use the definition of the limit of a function at a point to evaluate with proof (b) (10) Use the definition of continuity at a point to prove that /(x) is not continuous at -1. (e) (2) Is /(x) uniformly continuous on (-1,2)? If it is, prove it. Other- wise, explain why not. (d) (8) Is f() uniformly continuous on (1,3)?...
6. For the probability density function given by +1) -1<x<1, compute, using the definition the mean and variance of the distribution.
[4 Pts. Use the definition of continuity to show that the function f is continuous at <=0 10 g(x)= 3-4
If the probability density function of X is given by n2 for 1<x< 2 fx ) = 10 elsewhere (a) Find, E[X], E[X2], and E[X3] (b) Use your answer to part (a) to find E[X3 + 3X2 - 2x + 5)
Let f(x) =1/(1+x2) (a) Prove that f(x) is continuous at any a ∈ R. (b) If e = 0.1 and a = 10, find a 6 that satisfies the definition of continuity. Do the same for a = 50 and a = 100. (c) Recall from the in-class portion of Exam 2 that you proved that g(x) = 3x + 5 is continuous at any a ∈ R. For ε = 0.1 and a = 10, find a δ that works. Repeat for a=...
(h) Define f : [0, 2] + R by 122 if 0 <<<1 f(x) = { ifl<152 Using the limit definition of the derivative and the sequence definition of the limit prove that f'(1) does not exist.
(2x - 1 if x < -1 2. Suppose f(x) = 2x2 - 4 if-1<x52 (log: (x - 1) if x > 2 a) Is f continuous at x = -1? Justify your answer completely. b) Is f continuous at x = 22 Justify your answer completely. 3. Suppose f(x) = x2 + 3x a) Using the definition of derivative, find f'(x). No credit will be given if shortcuts are used. b) Find the equation of the tangent line to...
please answer asap a) Given a periodic wave function of f(x) = max -1<x< 1 that has a period of 27. Determine if f(x) is an even or odd function b) Find Fourier Sine Transform of f(x)=e**.
1 6. Where is the function f(x) { { - X4 if x # 0 discontinuous? if x = 0 0 Is this a removable discontinuity? ex if x < 0 7. Where is the function f(x) discontinuous? x2 if x > 0 Is this a removable discontinuity? Is it a jump discontinuity? f(x) = {
2 Consider x2 if x <0 f (x) = 2x+ 1 if 0x < 2 (a) Determine whether f is continuous on the interval [0, 1]. (b) Determine whether f is right continuous on the interval [0, 1]. (c) Determine whether f is continuous on the interval [1,2].