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# Precalculus 7th Edition - Solutions by Chapter

## Full solutions for Precalculus | 7th Edition

ISBN: 9780618643448

Precalculus | 7th Edition - Solutions by Chapter

Solutions by Chapter
4 5 0 400 Reviews
##### ISBN: 9780618643448

This textbook survival guide was created for the textbook: Precalculus, edition: 7. Precalculus was written by and is associated to the ISBN: 9780618643448. The full step-by-step solution to problem in Precalculus were answered by , our top Calculus solution expert on 03/15/18, 04:43PM. Since problems from 85 chapters in Precalculus have been answered, more than 21698 students have viewed full step-by-step answer. This expansive textbook survival guide covers the following chapters: 85.

Key Calculus Terms and definitions covered in this textbook
• Acceleration due to gravity

g ? 32 ft/sec2 ? 9.8 m/sec

• Cubic

A degree 3 polynomial function

• Derivative of ƒ at x a

ƒ'(a) = lim x:a ƒ(x) - ƒ(a) x - a provided the limit exists

• Domain of validity of an identity

The set of values of the variable for which both sides of the identity are defined

• equation of a parabola

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

• Graph of an equation in x and y

The set of all points in the coordinate plane corresponding to the pairs x, y that are solutions of the equation.

• Hyperbola

A set of points in a plane, the absolute value of the difference of whose distances from two fixed points (the foci) is a constant.

• Inverse sine function

The function y = sin-1 x

• Limit

limx:aƒ1x2 = L means that ƒ(x) gets arbitrarily close to L as x gets arbitrarily close (but not equal) to a

• Magnitude of an arrow

The magnitude of PQ is the distance between P and Q

• Monomial function

A polynomial with exactly one term.

• Multiplicity

The multiplicity of a zero c of a polynomial ƒ(x) of degree n > 0 is the number of times the factor (x - c) (x - z 2) Á (x - z n)

• Natural logarithmic regression

A procedure for fitting a logarithmic curve to a set of data.

• Polar form of a complex number

See Trigonometric form of a complex number.

An angle in standard position whose terminal side lies on an axis.

• Semiminor axis

The distance from the center of an ellipse to a point on the ellipse along a line perpendicular to the major axis.

• Solve an equation or inequality

To find all solutions of the equation or inequality

• Standard deviation

A measure of how a data set is spread

• Terminal point

See Arrow.

• Wrapping function

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

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