Precalculus: With Unit Circle Trigonometry (with Interactive Video Skillbuilder CD-ROM) (Available 2010 Titles Enhanced Web Assign) 4th Edition - Solutions by Chapter

A fractional expression in which the numerator or denominator may contain fractions

The angle the arrow makes with the positive x-axis

Notation used to specify intervals, pp. 4, 5.

The function y = tan-1 x

An equation written with logarithms instead of exponents

The inverse of the exponential function y = bx, denoted by y = logb x

Transformation of a data set involving the natural logarithm: exponential regression, natural logarithmic regression, power regression

A test for finding a lower bound for the real zeros of a polynomial

For the line segment with endpoints (x 1, y1, z 1) and (x2, y2, z2), ax 1 + x 22 ,y1 + y22 ,z 1 + z 22 b

See Linear programming problem.

A function whose domain is divided into several parts with a different function rule applied to each part, p. 104.

The numbers (r, ?) that determine a point’s location in a polar coordinate system. The number r is the directed distance and ? is the directed angle

See Polar coordinate system.

An expression that can be written as a ratio of two polynomials.

The standard deviation computed using only a sample of the entire population.

If a = b and b = c , then a = c. Similar properties hold for the inequality symbols <, >, ?, ?.

The points where the ellipse intersects its focal axis.

The scale of the tick marks on the x-axis in a viewing window.

The points (0, y, z) in Cartesian space.

The directed distance from the xy-plane to a point in space, or the third number in an ordered triple.