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# Solutions for Chapter 3: Exponential and Logarithmic Functions

## Full solutions for Precalculus | 7th Edition

ISBN: 9780618643448

Solutions for Chapter 3: Exponential and Logarithmic Functions

Solutions for Chapter 3
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##### ISBN: 9780618643448

This expansive textbook survival guide covers the following chapters and their solutions. This textbook survival guide was created for the textbook: Precalculus, edition: 7. Chapter 3: Exponential and Logarithmic Functions includes 155 full step-by-step solutions. Precalculus was written by and is associated to the ISBN: 9780618643448. Since 155 problems in chapter 3: Exponential and Logarithmic Functions have been answered, more than 20579 students have viewed full step-by-step solutions from this chapter.

Key Calculus Terms and definitions covered in this textbook

If u = v and w = z , then u + w = v + z

• Circular functions

Trigonometric functions when applied to real numbers are circular functions

• Constant

A letter or symbol that stands for a specific number,

• Direction of an arrow

The angle the arrow makes with the positive x-axis

• Index

• Inverse cosine function

The function y = cos-1 x

• Linear regression equation

Equation of a linear regression line

• Magnitude of an arrow

The magnitude of PQ is the distance between P and Q

• Natural numbers

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

• Nautical mile

Length of 1 minute of arc along the Earth’s equator.

• NDER ƒ(a)

See Numerical derivative of ƒ at x = a.

An equation that can be written in the form ax 2 + bx + c = 01a ? 02

• Quantitative variable

A variable (in statistics) that takes on numerical values for a characteristic being measured.

• Rational zeros

Zeros of a function that are rational numbers.

• Reference angle

See Reference triangle

• Reflection

Two points that are symmetric with respect to a lineor a point.

• Reflection through the origin

x, y and (-x,-y) are reflections of each other through the origin.

• Scientific notation

A positive number written as c x 10m, where 1 ? c < 10 and m is an integer.

• Solution of a system in two variables

An ordered pair of real numbers that satisfies all of the equations or inequalities in the system

• x-axis

Usually the horizontal coordinate line in a Cartesian coordinate system with positive direction to the right,.

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