1.
Which is the graph of
?
A.
B.
C.
D.
Hint
2.
Which is the graph of
f
(
x
) = [[2
x
]]?
A.
B.
C.
D.
Hint
3.
Graph the equation
A.
B.
C.
D.
Hint
4.
What is the value of
y
when
x
= 2?
A.
undefined
B.
1
C.
2
D.
0
Hint
5.
A bank charges a $10 fee if the account balance is less than $200. If the balance is in between $200 and $500 there is a $5 fee. If at least $500 is in the account, there is no fee. What type of function best represents this situation?
A.
absolute value function
B.
piecewise function
C.
greatest integer function
D.
step function
Hint