Algebra
A098-Writing a Function Rule
Write the function rule for each table of values.
1.
2.
x y
x y
-3 -5
-1 -4
-2 -3
0 -3
-1 -1
1 -2
0 1
2 -1
1 3
3 0
A) 1
A) 1
B) 2 1
B) 1
C) 3 1
C) 3
D) 4 2
D) 2
5.
6.
x y
x y
-3 27
-3 6
-2 20
-2 4
-1 13
-1 2
0 6
0 0
1 -1
1 -2
A) 7 6
A) 3 1
B) 3 5
B) 2
C) 7 21
C) 2 1
D) 5 16
D) 7 2
9. A resort charges $20 a day to rent a boat.
However the customers must pay a $99 initiation
fee to start renting. Write a function for the total
cost to rent a boat for “d” days.
A) 99
B) 99 20
C) 20 99
D) 20 99
3.
x
-3
-2
-1
0
1
A)
B)
C)
D)
7.
x
-3
-2
-1
0
1
A)
B)
C)
y
-15
-11
-7
-3
1
2 7
5 2
4 3
5
4.
x
-3
-2
-1
0
1
A)
B)
C)
D)
8.
x
-3
-2
-1
0
1
A)
B)
C)
y
11
8
5
2
-1
2 7
3 2
4 15
2 16
y
y
-9
-5
-6
-3
-3
-1
0
1
3
3
3
3 2
3
2
1
D) 2 1
D) 3 1
10. Bob wants to buy pineapples (represented by
x) which are 25 cents each and bananas
(represented by y) which are 50 cents each. Write a
function that represents the total cost “c” for
buying bananas and pineapples.
A) .25 .5
B) .25 .5
C) . 25.5
D) .
.
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