 2.1: In 1 and 2, determine whether each relation represents a function. ...
 2.2: In 1 and 2, determine whether each relation represents a function. ...
 2.3: In 38, find the following for each function:
 2.4: In 38, find the following for each function:
 2.5: In 38, find the following for each function:
 2.6: In 38, find the following for each function:
 2.7: In 38, find the following for each function:
 2.8: In 38, find the following for each function:
 2.9: In 916, find the domain of each function.
 2.10: In 916, find the domain of each function.
 2.11: In 916, find the domain of each function.
 2.12: In 916, find the domain of each function.
 2.13: In 916, find the domain of each function.
 2.14: In 916, find the domain of each function.
 2.15: In 916, find the domain of each function.
 2.16: In 916, find the domain of each function.
 2.17: In 1722, find and for each pair of functions. State the domain of e...
 2.18: In 1722, find and for each pair of functions. State the domain of e...
 2.19: In 1722, find and for each pair of functions. State the domain of e...
 2.20: In 1722, find and for each pair of functions. State the domain of e...
 2.21: In 1722, find and for each pair of functions. State the domain of e...
 2.22: In 1722, find and for each pair of functions. State the domain of e...
 2.23: In 23 and 24, find the difference quotient of each function that is...
 2.24: In 23 and 24, find the difference quotient of each function that is...
 2.25: . Using the graph of the function shown: (a) Find the domain and th...
 2.26: Using the graph of the function g shown: (a) Find the domain and th...
 2.27: In 27 and 28, use the graph of the function to find:
 2.28: In 27 and 28, use the graph of the function to find:
 2.29: In 2936, determine (algebraically) whether the given function is ev...
 2.30: In 2936, determine (algebraically) whether the given function is ev...
 2.31: In 2936, determine (algebraically) whether the given function is ev...
 2.32: In 2936, determine (algebraically) whether the given function is ev...
 2.33: In 2936, determine (algebraically) whether the given function is ev...
 2.34: In 2936, determine (algebraically) whether the given function is ev...
 2.35: In 2936, determine (algebraically) whether the given function is ev...
 2.36: In 2936, determine (algebraically) whether the given function is ev...
 2.37: In 3740, use a graphing utility to graph each function over the ind...
 2.38: In 3740, use a graphing utility to graph each function over the ind...
 2.39: In 3740, use a graphing utility to graph each function over the ind...
 2.40: In 3740, use a graphing utility to graph each function over the ind...
 2.41: In 41 and 42, find the average rate of change of f.
 2.42: In 41 and 42, find the average rate of change of f.
 2.43: In 4346, find the average rate of change from 2 to 3 for each funct...
 2.44: In 4346, find the average rate of change from 2 to 3 for each funct...
 2.45: In 4346, find the average rate of change from 2 to 3 for each funct...
 2.46: In 4346, find the average rate of change from 2 to 3 for each funct...
 2.47: In 4750, is the graph shown the graph of a function?
 2.48: In 4750, is the graph shown the graph of a function?
 2.49: In 4750, is the graph shown the graph of a function?
 2.50: In 4750, is the graph shown the graph of a function?
 2.51: In 5154, sketch the graph of each function. Be sure to label at lea...
 2.52: In 5154, sketch the graph of each function. Be sure to label at lea...
 2.53: In 5154, sketch the graph of each function. Be sure to label at lea...
 2.54: In 5154, sketch the graph of each function. Be sure to label at lea...
 2.55: In 5566, graph each function using the techniques of shifting, comp...
 2.56: In 5566, graph each function using the techniques of shifting, comp...
 2.57: In 5566, graph each function using the techniques of shifting, comp...
 2.58: In 5566, graph each function using the techniques of shifting, comp...
 2.59: In 5566, graph each function using the techniques of shifting, comp...
 2.60: In 5566, graph each function using the techniques of shifting, comp...
 2.61: In 5566, graph each function using the techniques of shifting, comp...
 2.62: In 5566, graph each function using the techniques of shifting, comp...
 2.63: In 5566, graph each function using the techniques of shifting, comp...
 2.64: In 5566, graph each function using the techniques of shifting, comp...
 2.65: In 5566, graph each function using the techniques of shifting, comp...
 2.66: In 5566, graph each function using the techniques of shifting, comp...
 2.67: In 6770, (a) Find the domain of each function. (b) Locate any inter...
 2.68: In 6770, (a) Find the domain of each function. (b) Locate any inter...
 2.69: In 6770, (a) Find the domain of each function. (b) Locate any inter...
 2.70: In 6770, (a) Find the domain of each function. (b) Locate any inter...
 2.71: A function is defined by If find f112 = 4, A. f1x2 = Ax + 5 6x 
 2.72: A function g is defined by If find g112 = 0, A.
Solutions for Chapter 2: Precalculus 9th Edition
Full solutions for Precalculus  9th Edition
ISBN: 9780321716835
Solutions for Chapter 2
Get Full SolutionsThis expansive textbook survival guide covers the following chapters and their solutions. Since 72 problems in chapter 2 have been answered, more than 11092 students have viewed full stepbystep solutions from this chapter. Precalculus was written by and is associated to the ISBN: 9780321716835. This textbook survival guide was created for the textbook: Precalculus, edition: 9. Chapter 2 includes 72 full stepbystep solutions.

Acceleration due to gravity
g ? 32 ft/sec2 ? 9.8 m/sec

Angle of depression
The acute angle formed by the line of sight (downward) and the horizontal

Characteristic polynomial of a square matrix A
det(xIn  A), where A is an n x n matrix

equation of a hyperbola
(x  h)2 a2  (y  k)2 b2 = 1 or (y  k)2 a2  (x  h)2 b2 = 1

Factored form
The left side of u(v + w) = uv + uw.

Function
A relation that associates each value in the domain with exactly one value in the range.

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

Inverse relation (of the relation R)
A relation that consists of all ordered pairs b, a for which a, b belongs to R.

LRAM
A Riemann sum approximation of the area under a curve ƒ(x) from x = a to x = b using x1 as the lefthand endpoint of each subinterval

Mathematical model
A mathematical structure that approximates phenomena for the purpose of studying or predicting their behavior

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

Open interval
An interval that does not include its endpoints.

Parallel lines
Two lines that are both vertical or have equal slopes.

Pie chart
See Circle graph.

Real axis
See Complex plane.

Rectangular coordinate system
See Cartesian coordinate system.

Secant line of ƒ
A line joining two points of the graph of ƒ.

Standard deviation
A measure of how a data set is spread

Window dimensions
The restrictions on x and y that specify a viewing window. See Viewing window.

Wrapping function
The function that associates points on the unit circle with points on the real number line