1.
Which expression describes this pattern of numbers:
4, 16, 64, 256, 1,024.
A.
x
4
B.
4
x
C.
4 +
x
D.
4
x
Hint
2.
Which equation represents exponential growth?
A.
y
= 3.96(0.65)
x
B.
y
= 6.38(1)
x
C.
y
= 9(0.5)
x
D.
y
= 2.03(5)
x
Hint
3.
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.
a coin collection where 2 coins are added each month
C.
the population of a city that doubles every 10 years
D.
areas of various rugs with side length
t
for the rug at stage
t
Hint
4.
Which table describes exponential growth?
A.
B.
C.
D.
Hint
5.
Which equation represents exponential decay?
A.
y
= 63 × 0.4
x
B.
y
=
· 63
x
C.
y
= 63 × 4
x
D.
y
= 63 × 4.4
x
Hint