 1.7.85: In Exercises 8590, fi nd the domain of each function. f(x) = x2 + 6...
 1.7.86: In Exercises 8590, fi nd the domain of each function. g(x) = 4x  7
 1.7.87: In Exercises 8590, fi nd the domain of each function. h(x) = 28  2x
 1.7.88: In Exercises 8590, fi nd the domain of each function. f(x) = xx2 + ...
 1.7.89: In Exercises 8590, fi nd the domain of each function. g(x) = 2x  2
 1.7.90: In Exercises 8590, fi nd the domain of each function. f(x) = 2x  1...
 1.7.91: In Exercises 9193, fi nd f + g, f  g, fg, and f g . Determine the ...
 1.7.92: In Exercises 9193, fi nd f + g, f  g, fg, and f g . Determine the ...
 1.7.93: In Exercises 9193, fi nd f + g, f  g, fg, and f g . Determine the ...
 1.7.94: In Exercises 9495, fi nd a. (f g)(x); b. (g f)(x); c. (f g)(3). 9 f...
 1.7.95: In Exercises 9495, fi nd a. (f g)(x); b. (g f)(x); c. (f g)(3). 10 ...
 1.7.96: In Exercises 9697, fi nd a. (f g)(x); b. the domain of (f g). f(x) ...
 1.7.97: In Exercises 9697, fi nd a. (f g)(x); b. the domain of (f g). f(x) ...
 1.7.98: In Exercises 9899, express the given function h as a composition of...
 1.7.99: In Exercises 9899, express the given function h as a composition of...
Solutions for Chapter 1.7: Precalculus 5th Edition
Full solutions for Precalculus  5th Edition
ISBN: 9780321837349
Solutions for Chapter 1.7
Get Full SolutionsThis textbook survival guide was created for the textbook: Precalculus, edition: 5. Since 15 problems in chapter 1.7 have been answered, more than 10404 students have viewed full stepbystep solutions from this chapter. This expansive textbook survival guide covers the following chapters and their solutions. Precalculus was written by and is associated to the ISBN: 9780321837349. Chapter 1.7 includes 15 full stepbystep solutions.

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

Complex fraction
See Compound fraction.

Continuous at x = a
lim x:a x a ƒ(x) = ƒ(a)

Convergence of a sequence
A sequence {an} converges to a if limn: q an = a

Coordinate plane
See Cartesian coordinate system.

Cosine
The function y = cos x

Deductive reasoning
The process of utilizing general information to prove a specific hypothesis

Equilibrium price
See Equilibrium point.

Expanded form
The right side of u(v + w) = uv + uw.

Fivenumber summary
The minimum, first quartile, median, third quartile, and maximum of a data set.

Focal width of a parabola
The length of the chord through the focus and perpendicular to the axis.

Imaginary part of a complex number
See Complex number.

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

Lower bound of f
Any number b for which b < ƒ(x) for all x in the domain of ƒ

Main diagonal
The diagonal from the top left to the bottom right of a square matrix

Negative angle
Angle generated by clockwise rotation.

Random numbers
Numbers that can be used by researchers to simulate randomness in scientific studies (they are usually obtained from lengthy tables of decimal digits that have been generated by verifiably random natural phenomena).

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

Sum of an infinite geometric series
Sn = a 1  r , r 6 1

Weights
See Weighted mean.