Graph |
I |
II |
|
? |
? |
|
|
? |
? |
|
|
? |
? |
x |
y |
0 |
75 |
1 |
135 |
2 |
195 |
3 |
255 |
4 |
315 |
(0, 0),
(1, 7),
(2, 14),
(3, 21),
(4, 28)
f(x) = 7x
The length of a rectangle is 4 more than the width. If the perimeter of the rectangle is 20 inches, what are the possible widths and lengths of the rectangle?
x |
y |
1 |
9 |
2 |
8 |
3 |
7 |
4 |
6 |
5 |
5 |