Solutions for Chapter 7.4: 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 7.4

Precalculus was written by Sieva Kozinsky and is associated to the ISBN: 9780321837349. This expansive textbook survival guide covers the following chapters and their solutions. Since 14 problems in chapter 7.4 have been answered, more than 4804 students have viewed full step-by-step solutions from this chapter. Chapter 7.4 includes 14 full step-by-step solutions. This textbook survival guide was created for the textbook: Precalculus, edition: 5.

Key Calculus Terms and definitions covered in this textbook
  • Additive inverse of a complex number

    The opposite of a + bi, or -a - bi

  • Angular speed

    Speed of rotation, typically measured in radians or revolutions per unit time

  • Degree of a polynomial (function)

    The largest exponent on the variable in any of the terms of the polynomial (function)

  • equation of a quadratic function

    ƒ(x) = ax 2 + bx + c(a ? 0)

  • Graph of a function ƒ

    The set of all points in the coordinate plane corresponding to the pairs (x, ƒ(x)) for x in the domain of ƒ.

  • Imaginary part of a complex number

    See Complex number.

  • Inferential statistics

    Using the science of statistics to make inferences about the parameters in a population from a sample.

  • Logistic regression

    A procedure for fitting a logistic curve to a set of data

  • Mean (of a set of data)

    The sum of all the data divided by the total number of items

  • Midpoint (in a coordinate plane)

    For the line segment with endpoints (a,b) and (c,d), (aa + c2 ,b + d2)

  • Modified boxplot

    A boxplot with the outliers removed.

  • Pascal’s triangle

    A number pattern in which row n (beginning with n = 02) consists of the coefficients of the expanded form of (a+b)n.

  • Phase shift

    See Sinusoid.

  • Real zeros

    Zeros of a function that are real numbers.

  • Reflexive property of equality

    a = a

  • Rose curve

    A graph of a polar equation or r = a cos nu.

  • Standard representation of a vector

    A representative arrow with its initial point at the origin

  • Sum of complex numbers

    (a + bi) + (c + di) = (a + c) + (b + d)i

  • Vertical line

    x = a.

  • z-axis

    Usually the third dimension in Cartesian space.

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