From the book by Don Killgallon
Boynton/Cook Publishers, Portsmouth. 1998.
What makes a
When you or a professional write a sentence
from a group of chosen words, the sentences
you write are likely to be very different.
6-3 Piece wise functions
Write and graph piecewise functions.
Use piecewise functions to describe realworld situations.
Piece Wise Function
A piecewise function is a function that is
a combination of one or more functions.
The rule fo
5-5 Solving Rational Equations and
Solve rational equations and inequalities.
A rational equation is an equation that
one or more rational expressions. The
time t in hours that it takes to trave
6-2 comparing functions
properties of two functions.
Estimate and compare rates of change.
graph of the exponential function
y=0.2491e0.0081x approximates the
population growth in Baltimore,
S E C T I O N 2 M U LT I P LY I N G A N D D I V I D I N G R A T I O N A L
Simplify rational expressions.
Multiply and divide rational expressions.
In the previous lesson you worked with inverse
6-1 MULTIPLE REPRESENTATION OF FUNCTIONS
Translate between the various representations of
Solve problems by using the various
representations of functions.
An amusement park manager estimates daily profits
SECTION 6 : FUNCTIONS AND THEIR INVERSES
Determine whether the inverse of a function is a function.
Write rules for the inverses of functions.
FUNCTIONS AND THEIR INVERSES
In previous lessons, you learned that the inverse of a functi