1.
Suppose your parents buy a new car for $21,000. What will the value of the car be in 5 years if the car depreciates by 10% each year.?
A.
$11,160
B.
$15,309
C.
$10,044
D.
$12,400
Hint
2.
Identify the decay factor in the equation
p
= 1,508,069 × 0.89
n
where
p
is the bacteria population and
n
is the number of days after a vaccine was administered.
A.
0.89
B.
1,508,069
C.
n
D.
p
Hint
3.
Which equation represents exponential growth?
A.
y
= 250 ·
x
B.
y
= 250 × 4
x
C.
y
= 250 × 0.4
c
D.
y
= 250 × 0.25
x
Hint
4.
Which curve represents exponential decay?
A.
curve
c
B.
curve
d
C.
curve
a
D.
curve
b
Hint
5.
Which equation represents exponential decay?
A.
y
= 63 × 0.4
x
B.
y
=
· 63
x
C.
y
= 63 × 4.4
x
D.
y
= 63 × 4
x
Hint