1. 1.6 A Library of Parent Functions
Ex. 1 Write a linear function for which f(1) = 3
and f(4) = 0
First, find the slope.
Next, use the point-slope form of the equation
of a line.
Function notation.

2. Cubic, Square Root, and Reciprocal Functions
The graph of the cubic function f(x) = x3 has the
following features.
Domain and Range =
The function is odd.
The graph goes thru (0,0)
It is increasing from
Symmetric about the origin.
y = x 3

3. Summary of Graphs of Common Functions
f(x) = c
y = x
y = x 3
y = x2

4. The graph of the reciprocal function.

5. The graph of the greatest integer function.