Question

Prove or give a counter example: If f is continuous on R and differentiable on R...

Prove or give a counter example: If f is continuous on R and differentiable on R ∖ { 0 } with lim x → 0 f ′ ( x ) = L , then f is differentiable on 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
Prove or give a counterexample: If f is continuous on R and differentiable on R∖{0} with...
Prove or give a counterexample: If f is continuous on R and differentiable on R∖{0} with limx→0 f′(x) = L, then f is differentiable on R.
give an example of a continuous and differentiable function at a point x = a, with...
give an example of a continuous and differentiable function at a point x = a, with a null derivative at this point, f '(a) = 0, and that f has neither a maximum nor a minimum at x = a
let F : R to R be a continuous function a) prove that the set {x...
let F : R to R be a continuous function a) prove that the set {x in R:, f(x)>4} is open b) prove the set {f(x), 1<x<=5} is connected c) give an example of a function F that {x in r, f(x)>4} is disconnected
if the function f is differentiable at a, prove the function f is also continuous at...
if the function f is differentiable at a, prove the function f is also continuous at a.
Let f : R → R be a bounded differentiable function. Prove that for all ε...
Let f : R → R be a bounded differentiable function. Prove that for all ε > 0 there exists c ∈ R such that |f′(c)| < ε.
4a). Let g be continuous at x = 0. Show that f(x) = xg(x) is differentiable...
4a). Let g be continuous at x = 0. Show that f(x) = xg(x) is differentiable at x = 0 and f'(0) = g(0). 4b). Let f : (a,b) to R and p in (a,b). You may assume that f is differentiable on (a,b) and f ' is continuous at p. Show that f'(p) > 0 then there is delta > 0, such that f is strictly increasing on D(p,delta). Conclude that on D(p,delta) the function f has a differentiable...
Let a < b, a, b, ∈ R, and let f : [a, b] → R...
Let a < b, a, b, ∈ R, and let f : [a, b] → R be continuous such that f is twice differentiable on (a, b), meaning f is differentiable on (a, b), and f' is also differentiable on (a, b). Suppose further that there exists c ∈ (a, b) such that f(a) > f(c) and f(c) < f(b). prove that there exists x ∈ (a, b) such that f'(x)=0. then prove there exists z ∈ (a, b) such...
Let f be continuous on [ 0 , ∞ ) and differentiable on ( 0 ,...
Let f be continuous on [ 0 , ∞ ) and differentiable on ( 0 , ∞ ) . If f ( 0 ) = 0 and | f ′ ( x ) | ≤ | f ( x ) | for all x > 0 , then f ( x ) = 0 for all x ≥ 0 .
Prove or give a counter-example: (a) if R ⊂ S and T ⊂ U then T\...
Prove or give a counter-example: (a) if R ⊂ S and T ⊂ U then T\ S ⊂ U \R. (b) if R∪S⊂T∪U, R∩S= Ø and T⊂ R, then S ⊂ U. (c) if R ∩ S⊂T ∩ S then R⊂T. (d) R\ (S\T)=(R\S) \ T
Prove or give a counter example for "If E1 and E2 are independent, then they are...
Prove or give a counter example for "If E1 and E2 are independent, then they are conditionally independent given F."
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT