1.
If
f
(
n
) =
n
+
, find
f
.
A.
B.
C.
D.
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.
7.2 seconds
B.
21.6 seconds
C.
14.4 seconds
D.
30 seconds
Hint
3.
Make a function table for
f
(
n
) =
n
- 3.
A.
B.
C.
D.
Hint
4.
Find
f
i
f
f
(
n
) =
n
+
.
A.
f
= 2
B.
f
=
C.
f
= 1
D.
f
=
Hint
5.
Using
F
=
C
+ 32, find the temperature in Fahrenheit
F
if the temperature in Celsius C is
C
= -3?.
A.
F
= 31
°
B.
F
= -37
°
C.
F
= 37
°
D.
F
= 26
°
Hint