1.
Simplify (3
a
4
b
5
c
)
4
.
A.
12
a
8
b
9
c
5
B.
3
a
16
b
20
c
4
C.
7
a
16
b
20
c
4
D.
81
a
16
b
20
c
4
Hint
2.
Simplify
Assume the denominator is not equal to zero.
A.
B.
C.
D.
Hint
3.
Determine whether the number
is rational or irrational.
A.
rational
B.
neither
C.
irrational
D.
both
Hint
4.
Simplify
.
A.
B.
C.
D.
Hint
5.
Which equation represents exponential growth?
A.
y
= 250 × 4
x
B.
y
= 250 ·
x
C.
y
= 250 × 0.25
x
D.
y
= 250 × 0.4
c
Hint
6.
Which curve represents exponential decay?
A.
curve
d
B.
curve
c
C.
curve
b
D.
curve
a
Hint