1.
If
n
is the number of seconds between the lightning and the thunder
and
f
(
n
) is the number of feet between you and the lightning, then
f
(
n
) = 1100
n
. If
n
is 7, find
f
(
n
).
A.
7700 feet
B.
9000 feet
C.
8800 feet
D.
157.1 feet
Hint
2.
If
n
is the number of seconds between the lightning and the thunder
and
f
(
n
) is the number of feet between you and the lightning, then
f
(
n
) = 1100
n
. If you are three miles from a lightning strike, in how
many seconds would you hear thunder?
A.
21.6 seconds
B.
7.2 seconds
C.
14.4 seconds
D.
30 seconds
Hint
3.
Copy and complete the table for the equation
y
= 3
x
+ 2.
A.
B.
C.
D.
Hint
4.
Using
F
=
C
+ 32, find the temperature in Fahrenheit
F
if the temperature in Celsius C is
C
= -3?.
A.
F
= 37
°
B.
F
= 31
°
C.
F
= -37
°
D.
F
= 26
°
Hint
5.
A taxi costs $5 plus $8 for each mile. Which function relates the cost
c
of a taxi ride to the distance
d
traveled?
A.
d
= 8
c
+ 5
B.
c
= 8
d
+ 5
C.
d
= 5c + 8
D.
c
= 5
d
+ 8
Hint