1.
Simplify (7
a
4
b
) (8
a
7
b
6
).
A.
15
a
11
b
7
B.
56
a
11
b
7
C.
56
a
28
b
6
D.
15
a
28
b
6
Hint
2.
Simplify
Assume the denominator is not equal to zero.
A.
B.
C.
D.
Hint
3.
Evaluate
. Express the result in scientific notation.
A.
8.0 × 10
-9
B.
80 × 10
-8
C.
8.0 × 10
-7
D.
0.8 × 10
-8
Hint
4.
Which is the graph of
y
= 2.5
x
?
A.
B.
C.
D.
Hint
5.
Which equation represents exponential decay?
A.
y
= 1.05(0.95)
x
B.
y
= 0.86(1.46)
x
C.
y
= 2.62(1.22)
x
D.
y
= 1.7(1.06)
x
Hint
6.
Simplify
A.
B.
C.
D.
Hint
7.
Which equation represents exponential growth?
A.
y
= 6.38(1)
x
B.
y
= 9(0.5)
x
C.
y
= 2.03(5)
x
D.
y
= 3.96(0.65)
x
Hint
8.
Which expression increases most quickly?
A.
x
+ 2
B.
2
x
C.
2
x
D.
x
2
Hint
9.
Which is the graph of
y
= 0.5
x
?
A.
B.
C.
D.
Hint
10.
Which table describes exponential decay?
A.
B.
C.
D.
Hint