Question

If R is the ring of all real valued continuous functions defined on the closed interval...

If R is the ring of all real valued continuous functions defined on the closed interval [0,1] and if M = { f(x) belongs to R : f(1/3) = 0}. Show that M is a maximal ideal of R

Homework Answers

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
Let M = { f: ℝ  → ℝ | f is continuous } be the ring of...
Let M = { f: ℝ  → ℝ | f is continuous } be the ring of all continuous functions from the real numbers to the real numbers. Let a be any real number and define the following function: Φa:M→R f(x)↦f(a) This is called the evaluation homomorphism. 1. Describe the kernel of the evaluation homomorphism. 2. Is the kernel of the evaluation homomorphism a prime ideal or a maximal ideal or both or neither?
Let B = { f: ℝ  → ℝ | f is continuous } be the ring of...
Let B = { f: ℝ  → ℝ | f is continuous } be the ring of all continuous functions from the real numbers to the real numbers. Let a be any real number and define the following function: Φa:B→R f(x)↦f(a) It is called the evaluation homomorphism. (a) Prove that the evaluation homomorphism is a ring homomorphism (b) Describe the image of the evaluation homomorphism. (c) Describe the kernel of the evaluation homomorphism. (d) What does the First Isomorphism Theorem for...
In the ring R[x] of polynomials with real coefficients, show that A = {f 2 R[x]...
In the ring R[x] of polynomials with real coefficients, show that A = {f 2 R[x] : f(0) = f(1) = 0} is an ideal.
Show there does not exist a sequence of continuous functions fn : [0,1] → R converging...
Show there does not exist a sequence of continuous functions fn : [0,1] → R converging pointwise to the function f : [0,1] → R given by f(x) = 0 for x rational, f(x) = 1 for x irrational.
1. Let W be the set of all [x y z}^t in R^3 such that xyz...
1. Let W be the set of all [x y z}^t in R^3 such that xyz = 0. Is W a subspace of R^3? 2. Let C^0 (R) denote the space of all continuous real-valued functions f(x) of x in R. Let W be the set of all continuous functions f(x) such that f(1) = 0. Is W a subspace of C^0(R)?
Consider the function f : R → R defined by f(x) = ( 5 + sin...
Consider the function f : R → R defined by f(x) = ( 5 + sin x if x < 0, x + cos x + 4 if x ≥ 0. Show that the function f is differentiable for all x ∈ R. Compute the derivative f' . Show that f ' is continuous at x = 0. Show that f ' is not differentiable at x = 0. (In this question you may assume that all polynomial and trigonometric...
Let C [0,1] be the set of all continuous functions from [0,1] to R. For any...
Let C [0,1] be the set of all continuous functions from [0,1] to R. For any f,g ∈ C[0,1] define dsup(f,g) = maxxE[0,1] |f(x)−g(x)| and d1(f,g) = ∫10 |f(x)−g(x)| dx. a) Prove that for any n≥1, one can find n points in C[0,1] such that, in dsup metric, the distance between any two points is equal to 1. b) Can one find 100 points in C[0,1] such that, in d1 metric, the distance between any two points is equal to...
Let f and g be continuous functions on the reals and let S={x in R |...
Let f and g be continuous functions on the reals and let S={x in R | f(x)>=g(x)} . Show that S is a closed set.
We know that any continuous function f : [a, b] → R is uniformly continuous on...
We know that any continuous function f : [a, b] → R is uniformly continuous on the finite closed interval [a, b]. (i) What is the definition of f being uniformly continuous on its domain? (This definition is meaningful for functions f : J → R defined on any interval J ⊂ R.) (ii) Given a differentiable function f : R → R, prove that if the derivative f ′ is a bounded function on R, then f is uniformly...
Determine whether the set of all continuous functions on [0,1] satisfying f(0) = 1 constitutes a...
Determine whether the set of all continuous functions on [0,1] satisfying f(0) = 1 constitutes a real linear space under the usual operations associated with elements of the set.