Use the table of the cost of ordering books, including a shipping fee. Number of Books | 0 | 2 | 4 | 6 Cost...

Use the table of the cost of ordering books, including a shipping fee.
Number of Books | 0 | 2 | 4 | 6
Cost | $5 | $35 | $65 | $95
Interpret the slope.
- The slope represents an increase of $5 in the cost for each book ordered.
- The slope represents an increase of $15 in the cost for each book ordered.
- The slope represents a shipping fee of $5.
- The slope represents a shipping fee of $30.