Prove that f is contraction map if and only if (X,τd)  to ( Y,τc)  is continuous

Q: (a) Assume that g(x, y) is a function of the form x²+y² g(x, y) = 0 if (x, y) = (0,0). (i) Show that…

A: (a) The given function is gx,y=x3yx2+y2  if x,y≠0,00             if x,y=0,0. To show: (i) gx,y≤xy…

Q: find the linearization L(x) of ƒ(x) at x = a. ƒ(x) = tan x, a = π

A: The linearization of a function f(x) at x = a is, Now differentiating  given function with respect…

Q: Prove that f(z)= 1/(1-z) in not uniformly continuous for |z|

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Q: Let f:R→R satisfy f(x+y) =f(x) +f(y), ∀x,y∈R. If limx→0f(x) exists, prove that f is continuous on R

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Q: Show that F = ху, , zy) is not conservative. 2

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Q: Show that the function f defined by (x, y) = (1, –1) f(x, y) = r? + y (x, y) # (1, –1) x + y is not…

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Q: A function F is defined on R² By: f (x, y) (x, y)# (0,0) F (x, y) = %3D (x, y) = (0,0) x²y+2xy² Let…

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Q: Determine whether the statement is true or false. ()dr) = lim %3D If f is continuous, then O True O…

A: We have given that f is continuous.

Q: Prove that if f :V → W is differentiable at a point a E V it must be continuous there.

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Q: Define f(0,0) in a way that extends f to be continuous at the origin. 2.2 11x - xy + 11y 2 f(x,y) =…

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Q: Let f:X → Y be function and g: X → fcX ×Y, g(x) = (x, f(x)). Prove that if g is a homeomorphism then…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: Let f be a continuous function with domain R. Compute the limit (z- t) f(t) lim dt.

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Q: Prove that if f (x) is continuous at x = a and g(y) is continuous at y = b, then F(x,y) = f(x)g(y)…

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Q: (a) Assume that g(x, y) is a function of the form g(x, y) = {" 0 if (x, y) = (0,0). (i) Show that…

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Q: Let f : X → Y be a bijective continuous function. If X is compact and Y is Hausdorff then f is a…

A: To prove , Let f: X→ Y be a bijective continuous function. If X is compact and Y is Hausdorff then f…

Q: Clarify that f f :(0,1) →R defined by f(x): not uniformly continuous. =-

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Q: Show that the function f defined by (x, y) = (1, –1) f(x, y) = { x2 + y (x, y) # (1, –1) x + y is…

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Q: Prove that if f is continuous, then f(t)(x-t) dt = f(u) du ) dt

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Q: Determine whether or not fis continuous at x = 1. Justify your answer and state your conclusion. 2+…

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Q: Let f:X Y be function and g:X→fcXXY, g(x) = (x, f(x)). Prove that if g is a homeomorphism then f is…

A: Given that, f:X→Y be function and g:X→f⊂X x Y defined byg(x) = (x,f(x))Given that, 'g' is…

Q: Suppose that f: [0, ) – R is continuous, and that f(x) – l as x → - x. Prove that f is uniformly…

A: See the attachment

Q: Let f be a function defined on R satisfying If(z) - f(y)| < 히 - J), V,yER. a. Show that f is a…

A: Given that f be a function defined on ℝ satisfying…

Q: Prove that if f is continuous on [a, b] and F(x) = ſx ƒ (t)dt α then F is continuously…

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Q: Use the definition to prove f =1 is uniformly continuous on [0, 0).

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Q: Show that the function f defined by 1, (x, y) = (1, –1) %3D f(x, y) = { a2 + y (x, y) # (1, –1) x +…

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Q: Let f:X Y be function and g:X →fcX XY, g(x) = (x, f (x)). Prove that if g is a homeomorphism then f…

A: Given :  g: X→f⊂X×Y is a homeomorphism.  So, by definition of homeomorphism, g is continuous also.…

Q: Show that the function f defined by 1, (x, y) = (1,–1) f(r, y) = { x² + y (x, y) # (1,–1) r+ y is…

A: In this question, the concept of limit is applied. Limit Limits are the points at which a function…

Q: 크) Prove that va +b 0. Prove that f is uniformly continuous on [0, 0).

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Q: Prove that f(2) = z/(z* + 1) is continuous at all points inside and on the unit circle Iz] = 1…

A: we need to find those points where the denominator ( z^4+1) equals to 0

Q: Show that the function f defined by (x, y) = (1, – 1) f (x, y) : x2 + Y (x, y) + (1, – 1) x + y is…

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Q: Define f(0,0) in a way that extends f to be continuous at the origin. 6x² -x²y² + 6y² x² +y? f(x,y)…

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Q: Let F be defined on R x R to R by F(x, y) = x² – y. Show that F is C' on a neighborhood of (0, 0)…

A: Let F be defined on RXR→R by F(x,y) =x2-y. Now we have to show that F is in class C' on a…

Q: Suppese that X, X and that f is continuous. Show that f(X,) 1(X). Show w that ETLJY

A: Since you have asked multiple questions, we will solve the first Question for you. If you want any…

Q: Suppose that f(1) = 2, f(4) = 8, f '(1) = 4, f '(4) = 3, and f " is continuous. Find the value of xf…

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Q: Prove that if f is a real-valued continuous function on [a, b] × [c, d], then f takes on a maximum…

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Q: (b) Let f be a function defined by 1 if x e Qn [a,b] f(x) = - |-1 if x€ (÷) n [a, b]. Show that fis…

A: we are given that f(x)=1   if x∈Q∩[a,b]-1 if x∈(RQ)∩[a,b] To prove f is not Riemann-integrable  on…

Q: Let A := (0, 1] and let ƒ : A → R be defined by f(x) = !. Prove that ƒ is continuous on A.

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Q: Prove that the limit of xy[(x^2 - y^2)/(x^2 + y^2)] is zero as (x, y) goes to (0,0)

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Q: Suppose f is a continuous on R and f(x + y) = f(x) + f(y) for all r,y R. Prove that for some…

A: What is Continuous Function: In mathematics, a continuous function is one that, in response to a…

Q: If f(z) is continuous at z then it must be differenttiable at z, 0.

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Q: Show that f (x, y) = has no limit as (x, y)→(0,0) Vx2+y2

A: The objective is to show that f(x,y) has no limit as (x,y) approaches to (0,0).

Q: Suppose f ≤ 0 , f is continuous on [a, b] and ∫ab f dx= 0. Prove f(x) = 0, ∀ x ∈ [a, b].

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Q: Show that the function f defined by 1. (x, y) = (1, –1) f (x, y) : x² + y .2 (x, y) + (1, –1) x + Y…

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Q: If f : R + Ris continuous and periodic, prove that f is uniformly continuous.

A: Given f:R→R is a periodic function with period k that is f(x+k)=f(x) To prove: if f:R→R is…

Q: Let f : [0, ∞) → [0, ∞) be the function defined by f(x) = √x. Show that f is a bijection.

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Q: Suppose that the function f: R → Ris continuous and that its image f (R) is bounded. Prove that…

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Q: Assume that f is continuous on [a, b] and differentiable on (a, b). Prove that if f' > 0 for all a <…

A: Assume that f is continuous on [a,b] and differentiable on (a,b). Given that  f'&gt;0 for all…

Q: that F(x, y, z)= Divergence Theoren

A: The given vector field is Fx,y,z=xz2+12.13, sin y, x·y5. The upper hemisphere can be taken as…

Q: f (x) = %3D x² +1

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