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# Solutions for Chapter 2.2: Polynomial Functions of Higher Degree

## Full solutions for Precalculus | 7th Edition

ISBN: 9780618643448

Solutions for Chapter 2.2: Polynomial Functions of Higher Degree

Solutions for Chapter 2.2
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##### ISBN: 9780618643448

Precalculus was written by and is associated to the ISBN: 9780618643448. This expansive textbook survival guide covers the following chapters and their solutions. Since 120 problems in chapter 2.2: Polynomial Functions of Higher Degree have been answered, more than 37468 students have viewed full step-by-step solutions from this chapter. This textbook survival guide was created for the textbook: Precalculus, edition: 7. Chapter 2.2: Polynomial Functions of Higher Degree includes 120 full step-by-step solutions.

Key Calculus Terms and definitions covered in this textbook
• Additive identity for the complex numbers

0 + 0i is the complex number zero

• Bounded below

A function is bounded below if there is a number b such that b ? ƒ(x) for all x in the domain of f.

• Compound interest

Interest that becomes part of the investment

• Direction vector for a line

A vector in the direction of a line in three-dimensional space

• Heron’s formula

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

• Infinite discontinuity at x = a

limx:a + x a ƒ(x) = q6 or limx:a - ƒ(x) = q.

• Initial value of a function

ƒ 0.

• Lemniscate

A graph of a polar equation of the form r2 = a2 sin 2u or r 2 = a2 cos 2u.

• Mode of a data set

The category or number that occurs most frequently in the set.

• Multiplicative identity for matrices

See Identity matrix

• Multiplicative inverse of a matrix

See Inverse of a matrix

• n factorial

For any positive integer n, n factorial is n! = n.(n - 1) . (n - 2) .... .3.2.1; zero factorial is 0! = 1

• Obtuse triangle

A triangle in which one angle is greater than 90°.

• Partial sums

See Sequence of partial sums.

• Pascal’s triangle

A number pattern in which row n (beginning with n = 02) consists of the coefficients of the expanded form of (a+b)n.

• Polynomial in x

An expression that can be written in the form an x n + an-1x n-1 + Á + a1x + a0, where n is a nonnegative integer, the coefficients are real numbers, and an ? 0. The degree of the polynomial is n, the leading coefficient is an, the leading term is anxn, and the constant term is a0. (The number 0 is the zero polynomial)

The measure of a central angle whose intercepted arc has a length equal to the circle’s radius.

• Vertex of an angle

See Angle.

• Xmin

The x-value of the left side of the viewing window,.

• Zero vector

The vector <0,0> or <0,0,0>.

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