## Divide polynomial functions.

Divide polynomial functions. Dividing Functions If f (x) and g (x) define functions, then .Quotient function   The domain of the quotient function is the intersection of the domains of…

## Multiplying Functions

Multiplying Functions   If f (x) and g(x) define functions, then ( fg)(x) = f (x) . g(x). Product function The domain of the product function is the intersection of…

Adding and Subtracting Functions   If f (x) and g(x) define functions, then ( f + g) (x) = f (x) + g(x) Sum function and ( f – g)…

## linear functions

linear functions   Our first two-dimensional graphing was of straight lines. Linear equations (except for vertical lines with equations x 5 a) define linear functions.   Linear Function A function…

## Identify functions defined by graphs and equations

Identify functions defined by graphs and equations   Since each value of x in a function corresponds to only one value of y, any vertical line drawn through the…

## Introduction to Functions

Introduction to Functions   We often describe one quantity in terms of another. Consider the following.   a. The amount of your paycheck if you are paid hourly depends on…

## Square Roots and Square-Root Functions

Square Roots and Square-Root Functions When we raise a number to the second power, we say that we have squared the number. Sometimes we may need to find the number…