Math 151: The Library of Parent Functions
Sketch accurately: plot & label 3 points at different heights on each graph.
()
Constant Function: f x = c
()
Absolute Value Function: f x = x
()
Squaring Function: f x = x 2
© Raelene Dufresne 2013
()
Identity Function: f x = x
()
Greatest Integer Function: f x = x 
()
Square Root Function: f x = x
1 of 2
Math 151: The Library of Parent Functions
()
()
Cubing Function: f x = x 3
()
Almost Constant: f x =
()
© Raelene Dufresne 2013
()
x
Step Function: f x =
x
Reciprocal Function: f x =
3
Cube Root Function: f x = x
1
x
x
x
=
x
x
()
Reciprocal Square Function: f x =
1
x2
2 of 2