# Business Mathematics and statistics all previous/ past question papers

## Business Mathematics Fall 21 past paper

## Business Mathematics Sessional ‘2’ in 2019

(a) **Define** a **Constant Function** with an **example**. **Find** when .

**Find**and when .**Find critical points**of .

Q2. **Define Cost, Revenue **and** Profit** functions. Given the scenario below, answer the

questions that follow.

“A manufacturer of bulbs makes two types of bulbs: Regular and Energy Savers. Table

gives data of wholesale prices, material costs per unit and labor costs per unit. Annual

fixed costs are $20,000,000.”

**Table:**

Regular | Energy Saver | |

Wholesale Price per unit | $5 | $15 |

Material Cost per unit | $1.5 | $6.75 |

Labor Cost per unit | $1.75 | $2.5 |

- Determine Annual
**Total Cost****function**of manufacturing the two types of bulbs. - Determine the total
**Revenue function**.**What**will be revenue from sale of

** 2000 Regular bulbs** and **2500 Energy Savers**?

- Determine Total
**Profit function**for this manufacturer.

(Don’t forget to mention the formulae you use!)

**Good Luck!☺**