Solutions for Chapter 2: Polynomial and Rational Functions

Full solutions for Precalculus | 7th Edition

ISBN: 9780618643448

Solutions for Chapter 2: Polynomial and Rational Functions

Solutions for Chapter 2
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Textbook: Precalculus
Edition: 7
Author: Ron Larson, Robert P. Hostetler
ISBN: 9780618643448

This textbook survival guide was created for the textbook: Precalculus, edition: 7. Since 153 problems in chapter 2: Polynomial and Rational Functions have been answered, more than 17530 students have viewed full step-by-step solutions from this chapter. This expansive textbook survival guide covers the following chapters and their solutions. Chapter 2: Polynomial and Rational Functions includes 153 full step-by-step solutions. Precalculus was written by and is associated to the ISBN: 9780618643448.

Key Calculus Terms and definitions covered in this textbook
  • Angle of elevation

    The acute angle formed by the line of sight (upward) and the horizontal

  • Annuity

    A sequence of equal periodic payments.

  • Complex number

    An expression a + bi, where a (the real part) and b (the imaginary part) are real numbers

  • Conversion factor

    A ratio equal to 1, used for unit conversion

  • Extraneous solution

    Any solution of the resulting equation that is not a solution of the original equation.

  • Half-angle identity

    Identity involving a trigonometric function of u/2.

  • Infinite sequence

    A function whose domain is the set of all natural numbers.

  • Leading coefficient

    See Polynomial function in x

  • Left-hand limit of f at x a

    The limit of ƒ as x approaches a from the left.

  • LRAM

    A Riemann sum approximation of the area under a curve ƒ(x) from x = a to x = b using x1 as the left-hand endpoint of each subinterval

  • n-set

    A set of n objects.

  • Parametric equations for a line in space

    The line through P0(x 0, y0, z 0) in the direction of the nonzero vector v = <a, b, c> has parametric equations x = x 0 + at, y = y 0 + bt, z = z0 + ct.

  • Perpendicular lines

    Two lines that are at right angles to each other

  • Plane in Cartesian space

    The graph of Ax + By + Cz + D = 0, where A, B, and C are not all zero.

  • Polar axis

    See Polar coordinate system.

  • Real zeros

    Zeros of a function that are real numbers.

  • Reciprocal of a real number

    See Multiplicative inverse of a real number.

  • Variance

    The square of the standard deviation.

  • Vertex form for a quadratic function

    ƒ(x) = a(x - h)2 + k

  • Ymin

    The y-value of the bottom of the viewing window.

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