1.
If
f
(
n
) =
n
+
, find
f
.
A.
B.
C.
D.
Hint
2.
If
f
(
n
) = -6
n
+ 2, find
f
.
A.
-3
B.
8
C.
4
D.
9
Hint
3.
If
d
= 55
t
represents the distance you travel at 55 miles per hour, find
(
t, d
) when
t
= 4 hours.
A.
(4, 55)
B.
(4, 220)
C.
(4, 110)
D.
(4, 165)
Hint
4.
A hotdog vendor's profit P for each hotdog sold
h
is modeled by the function
P
= 1.75
h
. What would be the hotdog vendor's profit if he sold 125 hotdogs?
A.
$126.75
B.
$225.00
C.
$142.50
D.
$218.75
Hint
5.
Spencer and his friends are taking a hike. They have already traveled 5 miles. If they continue to hike at a rate of 3 miles per hour, which function relates the distance
d
traveled to the time
t
in hours?
A.
t
= 5
d
+ 3
B.
d
= 3
t
+ 5
C.
d
= 5
t
+ 3
D.
t
= 3
d
+ 5
Hint