Let ICR be an interval and let f:I → R be a function. We say that f has the intermediate value property provided that for all a, b €T, 1 7 lies between f(@) and f(b), there exists c E (a, b) such that f(c) = 7· Prove that if f :I→R has the intermediate value property, then 10 cannot have any jump discontinuities.

Q: 6. Determine the type of the following functions ( Injection, Surjection, Bijection?). a) Let f be…

A: The solution given as,   a:-  Let 'f' be the function from             a,b,c,d to1,2,3      and…

Q: is continuous at x=3, f (-1) =6 ? + a, x # 3 3b, x 3 ontinuous at x=2? - x > 0

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Q: 3.23 Prove or give a counterexample: The function |f| € R[a, b] + ƒ € R{a, b].

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Q: 3. Let f(x) = x² + 3 and g(x) = Vx – 3 be functions defined on [0, ∞) and [3, 00), respectively. i.…

A: According to question,  Given functions, f(x) = x2+3, g(x) = x-3 Function fx defined on interval :…

Q: 4. If f:(X,r)(Y.A) and g:(Y.A) (Z,r)are closed functions, prove that g of :(X.r)(Z.r) is closed…

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Q: Evaluate the expression a+b a+b when a=23a=23 and b=45b=45. Write in simplest form

A: # the expressions are printed twice , taking them once given a=23 and b=45 The value of a+b is as…

Q: Let A = {1, 3, 4, 9, 10, 11} and B = {1, 4, 5, 6, 7, 10}. Consider the following function f: A B…

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Q: For the given function, find all values of c over the interval (, 22) stipulated by Rolle's f(x) = x…

A: To find the value of "c" by using rolles theorem.

Q: Determine the range of f, if f: D → R, where f(x) = x². I. D = (-2,2) II. D = [-7,2] III. D = (-4,2]…

A: I. D = (-2,2) Here the variable x lies between -2 and 2, that is,…

Q: x4 – 10 хе (-о, л — е) 2: х4 +9 хе [л— е, оо) - f(x) = Evaluate f(0)г

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Q: Let A = {1,2,3}, B B = = Define the functions f: AC and g: B → C by f(1) = 7, f(2)= 9, f(3) = 7,…

A: We want g o h = f.     So, we want g o h(1) = f(1) = 7            and g o h(3) = f(3) = 7   Now,…

Q: Exercise 4. Let F and G be homothetic functions in two variables. Is their sum homothetic? [Hint,…

A: We will use the fact that the MRS of a homothetic function is always homogeneous of degree 0. Let…

Q: Which one of the following relations is not a function? O ((x.y): r, y ER and r + y² = 1) O ((x.y):…

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Q: 4. Let X an Y be sets with A, B C X and let f: X→Y be a function. Recall that {f(x) EYE A}, and…

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Q: Let /: X→Y be a function, A, B C X and C, DCY. Show that: 3. If CSD then SF (D) 4. f¹(COD)=f-¹(C)…

A:

Q: Determine whether cach of these functions from Z to Z is one-to-one. a) f(n)=n- I c) f(n)=n b) f(n)…

A: Disclaimer: Since you have posted a question with multiple sub-parts, we will solve first three…

Q: Exercise 1.16. 1. Show that for any function f Ep(æ|9y)f(y) = f(3)

A:

Q: 1) If 4: [a,b] R number of distinct values, takes on only finite is 4 a step function?

A: Given: If  takes only finite number of distinct values then it is a step function.To Check: Whether…

Q: 3. Let f : A → B. Then 1gf = f and f14 = f. Hint. You may use the fact that fg, for functions f, g,…

A: Let               f1 : X→Y , f2 : X→Y be two functions, then we say that the functions f1 and f2 are…

Q: Let f: R2 R2 be the function given by f(x, y) = (x + y, y). Prove or →>> 8. disprove: f is…

A: Function which is one to one

Q: The domain of the function g(t) = /t – 9 i. O (-0, –9) O R-{9} O (9,00) O [9, 0) O R

A: all the values which can be used as input in a function is called domain of a function

Q: 3. If f:(X,r)(Y.A) and g:(Y,A)→(Z,r) are open functions, prove that gof :(x.r)(Z.r) is open…

A: Definition: An open map is a function between two topological spaces that maps open sets to open…

Q: Q.10. Let [a, b] be an interval of R. Let f:[a,b]→R be a function such that f is M-times…

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Q: 2. Let us define a. Verify that f(x, y) = af ду xy(x² - y²) x² + y² af y(x² - y² + 4x²y²) əx (x² +…

A:

Q: 6. (p.232, #4) A function f: Z → Z × Z is defined as f(n) = (2n, n + 3). Verify whether this…

A: Injective Function: A function f: A→B is said to be Injective or one-to-one function, if for any two…

Q: 2. Let us define a. Verify that f(x, y) = c. Now consider the function git Similarly, consider the…

A: Given Data: Let us consider the given function is fx,y=xyx2-y2x2+y2

Q: 5. Show that the functions x, x² interval [-1,1]. x are mutually orthogonal in the -

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Q: Use the nodes ro = a - ya and r1 = a + ya to linearly interpolate a function f(r) on the interval [a…

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Q: 3. Let the function f :R →Rbe defined as follows: [3x–1 if x> 3 f (x)={x² – 2 if -2<x<3 2x+3 ifx<-2…

A: Given f(x) = 3x-1ifx&gt;3x2-2if-2≤x≤32x+3ifx&lt;-2

Q: 11. (2.3.34) Let f: BC and g: A B be functions. (a) Prove or disprove the following statement: If…

A: let f:B→C and g:A→B be functions. (a) prove or disprove the following statement. if f∘g:A→C is an…

Q: 4) i) Let f: N→ C be a function with f(30) = 0, ƒ(70) = 1 and f(105) = 1. Determine whether f is…

A: Checking if a function f meets the multiplicative property will allow us to determine whether or not…