Identifying Function Rules in Everyday Scenarios

1. A bakery sells cupcakes. The table below shows the number of cupcakes sold and the total revenue earned. Fill in the missing values in the table and identify the function rule. | Cupcakes Sold | Total Revenue | |---------------|---------------| | 0 | $0 | | 5 | $15 | | 10 | $30 | | ? | $45 |

• 25

• 10

• 20

• 15

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

2. A car rental company charges a flat fee plus a per-mile charge. The table below shows the total cost based on miles driven. What is the function rule? | Miles Driven | Total Cost | |--------------|------------| | 0 | $20 | | 10 | $30 | | 20 | $40 | | ? | $50 |

• 20

• 30

• 40

• 50

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

3. A gardener plants flowers in rows. The table below shows the number of rows and the total number of flowers planted. Complete the table and identify the function rule. | Rows | Total Flowers | |------|---------------| | 1 | 10 | | 2 | 20 | | ? | 50 |

• 4

• 3

• 5

• 6

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

4. A school is organizing a field trip. The table below shows the number of students attending and the total cost. Fill in the missing values and identify the function rule. | Students | Total Cost | |----------|------------| | 0 | $0 | | 5 | $25 | | ? | $50 |

• 25

• 20

• 15

• 10

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

5. A video game store has a promotion where each game purchased gives a discount on the next game. The table below shows the number of games bought and the total discount received. What is the function rule? | Games Bought | Total Discount | |--------------|----------------| | 1 | $5 | | 2 | $10 | | ? | $20 |

• 5

• 3

• 4

• 6

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

6. A pet store sells fish. The table below shows the number of fish sold and the total sales amount. Complete the table and identify the function rule. | Fish Sold | Total Sales | |-----------|-------------| | 0 | $0 | | 3 | $12 | | ? | $24 |

• 10

• 6

• 8

• 4

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

7. A library tracks the number of books borrowed. The table below shows the number of books and the total late fees incurred. Fill in the missing values and identify the function rule. | Books Borrowed | Total Late Fees | |----------------|------------------| | 0 | $0 | | 2 | $4 | | ? | $12 |

• 4

• 6

• 10

• 8

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

8. A fitness center charges a monthly fee based on the number of classes attended. The table below shows the number of classes and the total fee. What is the function rule? | Classes Attended | Total Fee | |------------------|-----------| | 0 | $30 | | 5 | $50 | | ? | $70 |

• 8

• 15

• 12

• 10

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

9. A toy store has a sale where each toy bought gives a discount on the next toy. The table below shows the number of toys bought and the total discount received. Fill in the missing values and identify the function rule. | Toys Bought | Total Discount | |-------------|----------------| | 1 | $2 | | 3 | $6 | | ? | $12 |

• 6

• 10

• 4

• 8

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

10. A restaurant tracks the number of meals sold and the total revenue. The table below shows the number of meals and the total revenue. Complete the table and identify the function rule. | Meals Sold | Total Revenue | |------------|---------------| | 0 | $0 | | 10 | $100 | | ? | $300 |

• 30 meals

• 20 meals

• 40 meals

• 25 meals

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2