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# Solutions for Chapter 7.3: University Calculus: Early Transcendentals 2nd Edition

## Full solutions for University Calculus: Early Transcendentals | 2nd Edition

ISBN: 9780321717399

Solutions for Chapter 7.3

Solutions for Chapter 7.3
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##### ISBN: 9780321717399

University Calculus: Early Transcendentals was written by and is associated to the ISBN: 9780321717399. Since 82 problems in chapter 7.3 have been answered, more than 54812 students have viewed full step-by-step solutions from this chapter. This expansive textbook survival guide covers the following chapters and their solutions. Chapter 7.3 includes 82 full step-by-step solutions. This textbook survival guide was created for the textbook: University Calculus: Early Transcendentals , edition: 2.

Key Calculus Terms and definitions covered in this textbook
• Arctangent function

See Inverse tangent function.

• Common ratio

See Geometric sequence.

• Cosecant

The function y = csc x

• Direction angle of a vector

The angle that the vector makes with the positive x-axis

• equation of a parabola

(x - h)2 = 4p(y - k) or (y - k)2 = 4p(x - h)

• Equilibrium price

See Equilibrium point.

• Inverse cotangent function

The function y = cot-1 x

• Linear inequality in two variables x and y

An inequality that can be written in one of the following forms: y 6 mx + b, y … mx + b, y 7 mx + b, or y Ú mx + b with m Z 0

• Logarithmic re-expression of data

Transformation of a data set involving the natural logarithm: exponential regression, natural logarithmic regression, power regression

• Natural numbers

The numbers 1, 2, 3, . . . ,.

• Parametric equations

Equations of the form x = ƒ(t) and y = g(t) for all t in an interval I. The variable t is the parameter and I is the parameter interval.

• Piecewise-defined function

A function whose domain is divided into several parts with a different function rule applied to each part, p. 104.

• Positive linear correlation

See Linear correlation.

A function that can be written in the form ƒ(x) = ax 2 + bx + c, where a, b, and c are real numbers, and a ? 0.

• Real number

Any number that can be written as a decimal.

• Sample survey

A process for gathering data from a subset of a population, usually through direct questioning.

• Second

Angle measure equal to 1/60 of a minute.

• Standard form of a polynomial function

ƒ(x) = an x n + an-1x n-1 + Á + a1x + a0

• Stemplot (or stem-and-leaf plot)

An arrangement of a numerical data set into a specific tabular format.

• Vector equation for a line in space

The line through P0(x 0, y0, z0) in the direction of the nonzero vector V = <a, b, c> has vector equation r = r0 + tv , where r = <x,y,z>.

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