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Solutions for Chapter 4.8: Applications and Models

Full solutions for Precalculus | 7th Edition

ISBN: 9780618643448

Solutions for Chapter 4.8: Applications and Models

Solutions for Chapter 4.8
4 5 0 400 Reviews
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Textbook: Precalculus
Edition: 7
Author: Ron Larson, Robert P. Hostetler
ISBN: 9780618643448

Chapter 4.8: Applications and Models includes 72 full step-by-step solutions. This expansive textbook survival guide covers the following chapters and their solutions. Since 72 problems in chapter 4.8: Applications and Models have been answered, more than 35097 students have viewed full step-by-step solutions from this chapter. This textbook survival guide was created for the textbook: Precalculus, edition: 7. 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

  • Arctangent function

    See Inverse tangent function.

  • Differentiable at x = a

    ƒ'(a) exists

  • Direction of an arrow

    The angle the arrow makes with the positive x-axis

  • Division algorithm for polynomials

    Given ƒ(x), d(x) ? 0 there are unique polynomials q1x (quotient) and r1x(remainder) ƒ1x2 = d1x2q1x2 + r1x2 with with either r1x2 = 0 or degree of r(x) 6 degree of d1x2

  • Double-blind experiment

    A blind experiment in which the researcher gathering data from the subjects is not told which subjects have received which treatment

  • Exponential growth function

    Growth modeled by ƒ(x) = a ? b a > 0, b > 1 .

  • Heron’s formula

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

  • Initial point

    See Arrow.

  • Linear function

    A function that can be written in the form ƒ(x) = mx + b, where and b are real numbers

  • Normal curve

    The graph of ƒ(x) = e-x2/2

  • 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

  • Quadrantal angle

    An angle in standard position whose terminal side lies on an axis.

  • Removable discontinuity at x = a

    lim x:a- ƒ(x) = limx:a+ ƒ(x) but either the common limit is not equal ƒ(a) to ƒ(a) or is not defined

  • Secant

    The function y = sec x.

  • Slope-intercept form (of a line)

    y = mx + b

  • Solve graphically

    Use a graphical method, including use of a hand sketch or use of a grapher. When appropriate, the approximate solution should be confirmed algebraically

  • Synthetic division

    A procedure used to divide a polynomial by a linear factor, x - a

  • Transverse axis

    The line segment whose endpoints are the vertices of a hyperbola.

  • z-coordinate

    The directed distance from the xy-plane to a point in space, or the third number in an ordered triple.

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