Worksheet PW and Step Functions - The Math Class of Mrs...
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Transcript of Worksheet PW and Step Functions - The Math Class of Mrs...
A# ___________
6, x 2
f (x) x, 2 x 2
3, x 2
− ≤ −
= − < ≤ >
Piecewise and Step Functions Worksheet
1) Evaluate
a) � �5.7 =
b) 2 5 =� �� �� �
c) � �3π =
d) � �6.1− =
e) � �0.2 =
f) � �5 9.1− =
2) Sketch the graph of
� �f (x) x= from 4 x 4− ≤ <
3) Sketch the graph of
� �f (x) 3 x= from 2 x 2− ≤ <
4) Sketch the graph of
� �f (x) 2 x= − from 0 x 5≤ <
Sketch the following piecewise functions. For problem 7 only, state the range and extreme value(s).
5) 6) 7)
x 3, x 1f (x)
2x, x 1
+ <=
≥
2x , x 2
f (x)2x, x 2
<=
≥
2
2
2x , x 0
f (x) 2x 1, 0 x 1
4, x 1
− ≤
= + < < ≥
Sketch the following piecewise functions.
8) 9)
10)
11) 3
4, 5
( ) , 2 2
3, 3
x
f x x x
x x
< −
= − ≤ ≤
+ >
2
x , x 0f (x)
x 3, x 0
≥=
− − <
( )2
x 4 , x 2f (x)
x 1 , x 2
+ < −=
+ ≥ −