Suppose that f(x) = x" + ax"-1 + . . . + a, E Z[x]. If r is ra- tional and x - r divides f(x), show that r is an integer.

Q: The graph of f(x)= - x2-1 is concave up on interval (-1,1)^O (0,1) 0 (-1,0) U (1, 0 ).co (-∞, – 1)U…

A: Given, fx = xx2-1  We have to find the interval in which graph of  fx = xx2-1 is concave up.

Q: If F is an antiderivative of f on an interval I, then G is anantiderivative of f on the interval I…

A: To prove: G(x) = F(x) + C Given that F is an antiderivative of f on an interval I, that is F'=f then…

Q: If f(0) = 0 and f"(x) exists for all x>0, then show that %3D f(x) f'(x) xf"(5), 0 < § < x. Also…

A: Let's find.

Q: Prove that (r) = tan(r) is uever negative in 0 <r< and show that g(x) = xsinr decreases…

A: We have to prove that f(x)=tanx is never negative in the interval 0,π2. We hence have to show that…

Q: Show that f(r) = O(|x – xo|*) and g(x) = o(]x – roP) imply f. g(x) = o(|x – xo]k+i). - -

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Q: x*y"-xy'+y = 0 Y, = In x

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Q: Show that if f:R → R is odd and the restriction of fto the interval [0, co) is strictly decreasing,…

A: The odd functions are functions that return their negative inverse when x is replaced with –x. This…

Q: Define f: [0,2]-R by f(x) = x²+2x-1 , then the sup f- inf f is : [0,2] [0,2] 1.a O V8 b 0 3.cO 8 dO

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Q: Suppose f E R[0, 1] and let f() in An k=1 for all n. Prove that an → So f dx.

A: Given -  To Prove -

Q: Use Theorem 2 to show that 3, if x <-10 2, if – 10 sxso F:R → R,F(x) = -2, if 0< x< 10 -3, if x2 10…

A: so we have to show that given function is discontinuous at 2 and -2 (a)   Discontinuous  at -2…

Q: 2. Expand the function f(x) = tan-1 x up to the first two non-zero terms in the Taylor's polyno-…

A: Solution is given below:

Q: Find the coefficient of degree 2 in Taylor polynomial for f(x) = In (1+ rx) about x = = 1.

A: To find the coefficient of degree 2 in Taylor polynomial for the give function- f(x)=ln(1+rx) about…

Q: x*y"-xy'+y = 0 c) Y, = In x

A: Let's find.

Q: Define f:R → R by f (x) = 5x if x is rational and f (x) = x² + 6 if x is irrational. Prove that f is…

A: Given, f:R→R by f(x)=5x if f(x) is rational and f(x)=x2+6 if x is irrational.To prove that f is…

Q: Show that f (x) = 1 − |x| satisfies the conclusion of the MVT on [a, b] if both a and b are positive…

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Q: For what value of b is

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Q: Use Euler’s Theorem to find the degree of homogeneity for f( x1 , x2) = x3 + y3 + 3xy2

A: We will use the Euler's theorem which is : x•fx + y•fy = nf  Where, n = degree of homogeneity    The…

Q: Consider the following. f(x) = x 4 1 4 1 3 - x2 %D - Find the critical numbers. (Enter your answers…

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Q: Determine the nth Taylor polynomial of f(x) = 1/x at x = 1.

A: We know that the Taylor series expansion of a function f(x) is given as: ∑n=0∞fnan!x-an where fna is…

Q: Suppose that the function f: [0, 1]  in R is continuous and thatf (x)&gt;= 2     if 0 &lt;= x &lt;…

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Q: Suppose that a function h satisfies −x^2 ≤ h(x) ≤ x^2 for all x. Prove that h is differentiable at x…

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Q: Show that f(x1, x2) = 2 - (x1 - 1)^2 - e^x2^2 is concave.

A: the given function is fx1,x2=2-x1-12-ex22 To find the function is concave we have to show all its…

Q: Prove f(x) = x2+4 is not uniformly continuous on R.

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Q: 3. For Z = x²secy,prove that Zxy is equal toZyx

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Q: Let g=yf(xy). Show that: - მყ У ӘУ дд - X- = g дх

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Q: X if x e Q If f (x) is defined on [0,1] by the rule f (x) = < (1-x , if x 4 Q Prove that fof (x) = x…

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Q: The function f(x) =x + 1/x is concave upward on none O (-1) O (0,) O (0,1) O (1,)

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Q: 2. Find the Taylor Polynomial of degree n for f (x) = 1-x centered at X = 0.

A: Dear students here I'm answering to this problem according to our company guidelines so, here I…

Q: Prove that f(x) = other than the graphing method. x² – 1 is continuous at c = 0 by any method |

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Q: ) For what value of a is fx² -1 x<3 S(x)= { |2ax x23 Continuous at every x?

A:

Q: Find the degree n=4 Taylor polynomial for f(x) = ln (x + 1) at c=1.

A: The degree n=4 Taylor polynomial for f(x) at c is given by f(x) = f(c) + f(1)(c)1!(x-c) +…

Q: Suppose f(z) is analytic for |z| &lt;= 1, and |f(z)| &gt;=1. If f(0) =1, prove that f(z) is…

A: To prove that the given conditions on the analytic function force it to be the constant function…

Q: Use the MVT to prove that if f' (x) ≤ 2 for x &gt; 0 and f (0) = 4, then f (x) ≤ 2x + 4 for all x ≥…

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Q: Suppose that ƒ(x) = x2 and g(x) = | x | . Then thecompositions( ƒ ∘ g)(x) = | x | 2 = x2 and (g ∘…

A: Given: The composite of the two functions are given as,

Q: Let f(x) = Q[x] be a irr of prime degree p. If fr non-real roots then th

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Q: Find the Taylor polynomial p2 for f(x) = cos(2x) at x = 5.

A: Given that f(x) = cos(2x) at x= π/8  Find the taylor polynomial p2 . Here i attached solution of…

Q: 2. Suppose that f is a measurable function satisfying m({r €R: [f(x)| 2n}) < ne N. n3' Is f…

A: Given that f is a measurable function, with the following condition satisfied. m(x∈ℝ:…

Q: Let f(x) = e* for 0 < x<1 a. Approximate f(0.25) using linear interpolation with xo = 0 and x1 = 0.…

A:

Q: Prove that f(x) = tan(x) is never negative in 0 < x < ; and show that g(x) = x=l sin x decreases…

A: We have to prove that f(x)=tan(x) is never negative in the interval 0,π2. Then we have to show that…

Q: Let f be the function defined on [0, 1] by when x is irrational, f (x) = 1 when x is rational.…

A: Please see the below picture for detailed solution.

Q: Suppose that f(x) is continuous on [0, 9] and Fx) is an anti-derivative of f. If (0)=9 and F(9)=3,…

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Q: Given the function F(x) = x3 + x + 2 Defined in an interval of [2, 5], there exists some number "C"…

A: We will find out the required value of C.

Q: If f is differentiable and non-negative on an interval I in R then /3f + 1 is differentiable on I.

A: The given statement is true. Because when f will be non negative then the derivative of the given…

Q: 1 dt, for x > 4. In(t) Let F(x) 4

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Q: Compute the linearisation l(x) of f(x) = √1+x3 at x=2 and use this to estimate f(2.05)

A: Given function is: fx=1+x3 At x0=2 So the linear approximation is: Lx≈fx0+f'x0x-x0…

Q: Determine if f(x)=In (x² + 1) is uniformly continous on the interval I (-0, +0)

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Q: 4. Expand f (x) = 1 around a = 0, to get linear, quadratic and - 1-x cubic approximations.

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Q: The Gamma Function is defined by [(x) = fx-¹e-tdt, positive integer then prove that for na T(n) = (n…

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Q: Determine the nth Taylor polynomial for f(x) = e^x at x = 0.

A: To Determine: nth taylor polynomial for fx=ex at x=0