1.
Copy and complete the function table to find the function values of
{-1, 7} for
f
(
n
) = 2
n
- 1.
A.
f
(-1) = 1,
f
(7) = 13
B.
f
(-1) = -3,
f
(7) = 16
C.
f
(-1) = -3,
f
(7) = 13
D.
f
(-1) = -3,
f
(7) = 15
Hint
2.
If
f
(
n
) =
n
+
, find
f
.
A.
B.
C.
D.
Hint
3.
If
f
(
n
) = -6
n
+ 2, find
f
.
A.
-3
B.
9
C.
8
D.
4
Hint
4.
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.
157.1 feet
C.
9000 feet
D.
8800 feet
Hint
5.
Find
f
(2.7) if
f
(
n
) = 3
n
2
- 2.
A.
57.05
B.
19.87
C.
6.1
D.
11.58
Hint