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Solutions for Chapter 4.7: Precalculus 5th Edition

Precalculus | 5th Edition | ISBN: 9780321837349 | Authors: Rober F. Blitzer

Full solutions for Precalculus | 5th Edition

ISBN: 9780321837349

Precalculus | 5th Edition | ISBN: 9780321837349 | Authors: Rober F. Blitzer

Solutions for Chapter 4.7

Solutions for Chapter 4.7
4 5 0 411 Reviews
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Textbook: Precalculus
Edition: 5
Author: Rober F. Blitzer
ISBN: 9780321837349

Precalculus was written by and is associated to the ISBN: 9780321837349. Chapter 4.7 includes 21 full step-by-step solutions. Since 21 problems in chapter 4.7 have been answered, more than 11740 students have viewed full step-by-step solutions from this chapter. This expansive textbook survival guide covers the following chapters and their solutions. This textbook survival guide was created for the textbook: Precalculus, edition: 5.

Key Calculus Terms and definitions covered in this textbook
  • Acute triangle

    A triangle in which all angles measure less than 90°

  • Blocking

    A feature of some experimental designs that controls for potential differences between subject groups by applying treatments randomly within homogeneous blocks of subjects

  • Categorical variable

    In statistics, a nonnumerical variable such as gender or hair color. Numerical variables like zip codes, in which the numbers have no quantitative significance, are also considered to be categorical.

  • Causation

    A relationship between two variables in which the values of the response variable are directly affected by the values of the explanatory variable

  • Combinatorics

    A branch of mathematics related to determining the number of elements of a set or the number of ways objects can be arranged or combined

  • Continuous function

    A function that is continuous on its entire domain

  • Equilibrium point

    A point where the supply curve and demand curve intersect. The corresponding price is the equilibrium price.

  • Heron’s formula

    The area of ¢ABC with semiperimeter s is given by 2s1s - a21s - b21s - c2.

  • Hyperbola

    A set of points in a plane, the absolute value of the difference of whose distances from two fixed points (the foci) is a constant.

  • Integers

    The numbers . . ., -3, -2, -1, 0,1,2,...2

  • Interval

    Connected subset of the real number line with at least two points, p. 4.

  • 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

  • Multiplicative inverse of a complex number

    The reciprocal of a + bi, or 1 a + bi = a a2 + b2- ba2 + b2 i

  • Origin

    The number zero on a number line, or the point where the x- and y-axes cross in the Cartesian coordinate system, or the point where the x-, y-, and z-axes cross in Cartesian three-dimensional space

  • Quotient of functions

    a ƒ g b(x) = ƒ(x) g(x) , g(x) ? 0

  • Remainder polynomial

    See Division algorithm for polynomials.

  • Scalar

    A real number.

  • Second-degree equation in two variables

    Ax 2 + Bxy + Cy2 + Dx + Ey + F = 0, where A, B, and C are not all zero.

  • Triangular form

    A special form for a system of linear equations that facilitates finding the solution.

  • Vertex form for a quadratic function

    ƒ(x) = a(x - h)2 + k

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