1.
Which expression increases most quickly?
A.
x
+ 2
B.
x
2
C.
2
x
D.
2
x
Hint
2.
Which situation describes the expression
2
?
A.
the air temperature when a cold front moves into the area and the temperature falls 2?every half hour
B.
the population of a city that doubles every 10 years
C.
a coin collection where 2 coins are added each month
D.
areas of various rugs with side length
t
for the rug at stage
t
Hint
3.
Which table describes exponential growth?
A.
B.
C.
D.
Hint
4.
What is the value of 5
x
when
x
= 5?
A.
5
B.
3125
C.
10
D.
25
Hint
5.
Which is the graph of
y
= 0.5
x
?
A.
B.
C.
D.
Hint