Precalculus 4th Edition - Solutions by Chapter

See Magnitude of a vector.

The numbers in Pascal’s triangle: nCr = anrb = n!r!1n - r2!

A logarithm with base 10.

The line segment of length 2b that is perpendicular to the focal axis and has the center of the hyperbola as its midpoint

A function f is decreasing on an interval I if, for any two points in I, a positive change in x results in a negative change in ƒ(x)

(a + bi) - (c + di) = (a - c) + (b - d)i

See Division algorithm for polynomials.

Matrices that have the same order and equal corresponding elements.

See Equilibrium point.

The terms of the Fibonacci sequence.

The complex number.

The function ƒ1x2 = ex.

A function whose graph is symmetric about the origin (ƒ(-x) = -ƒ(x) for all x in the domain of f).

See Sequence of partial sums.

The collection of probabilities of outcomes in a sample space assigned by a probability function.

A graph of a polar equation or r = a cos nu.

A square matrix with zero determinant

(ƒ + g)(x) = ƒ(x) + g(x)

For real numbers a and b, exactly one of the following is true: a < b, a = b , or a > b.

A shift of a graph up or down.