Precalculus 7th Edition - Solutions by Chapter

g ? 32 ft/sec2 ? 9.8 m/sec

A degree 3 polynomial function

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

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

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

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

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.

The function y = sin-1 x

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

The magnitude of PQ is the distance between P and Q

A polynomial with exactly one term.

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)

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

See Trigonometric form of a complex number.

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

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

To find all solutions of the equation or inequality

A measure of how a data set is spread

See Arrow.

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