Fundamentals of Differential Equations (9th Edition)
9th Edition
ISBN: 9780321977069
Author: R. Kent Nagle, Edward B. Saff, Arthur David Snider
Publisher: PEARSON
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In Problems 51–56, find the polynomial function with the given zeros whose graph passes through the given point.
In Problems 17–22, form a polynomial function f(x) with real coefficients having the given degree and zeros. Answers will vary dependingon the choice of the leading coefficient. Use a graphing utility to graph the function and verify the result.
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(a) (f° g) (2)
(b) (g • f)(-2)
(c) (fo f) (4)
(d) (g ° 8) (-1)
2. f(x) = 3x – 5; g(x) = 1 – 2r
3. f(x) = Vx + 2: g(x) = 2x² + 1
4. f(x) = e"; g(x) = 3x – 2
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Fundamentals of Differential Equations (9th Edition)
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- In Problems 17–36, use Theorem 2 to find the local extrema.arrow_forward1. Employ Bairstow’s method to determine the roots of the polynomial f(x) = 9.34 – 21.97x + 16.3x² – 3.704x³ Use initial guesses of r=1 , s = -1 and iterate to a level of ɛ = 1%.arrow_forwardIn Problems 37–42, analyze each rational functionarrow_forward
- 1 2. Find the Taylor Polynomial of degree n for f (x) =, centered at %| 1-x X = 0.arrow_forwardProblem 16 (#2.3.34).Let f(x) = ax +b, and g(x) = cx +d. Find a condition on the constants a, b, c, d such that f◦g=g◦f. Proof. By definition, f◦g(x) = a(cx +d) + b=acx +ad +b, and g◦f(x) = c(ax +b) + d=acx +bc +d. Setting the two equal, we see acx +ad +b=acx +bc +d ad +b=bc +d (a−1)d=(c−1)b That last step was merely added for aesthetic reasons.arrow_forwardFind a degree 4 polynomial that approximates the solution of y'=y+x², if y=1 when x=0. a.y=1+x+ b. y=1+x+ d. y=1+x+ a O o O - + 2 c. y=1+x+ + انا C + x² 2 4 4 - 3 2 3 + X + + + +arrow_forward
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