---
id: 6363d2649078df117ce4c404
title: "Demand and Revenue"
challengeType: 15
videoId: 8PIZmiMFmfk
dashedName: demand-and-revenue
---

# --description--

In this video, you will write code to develop a demand function from two points. You will see how price affects the profit graph and how all of these equations relate to each other.

Here is the <a href="https://colab.research.google.com/drive/1foxkSd90q1tHCSqyY6NFAEnMfH0nNwXe?usp=sharing" target="_blank" rel="noopener noreferrer nofollow">Colab notebook to go along with this video.</a>

**Here is a link to the textbook you will need to complete the assignment for this video:**

\- <a href="https://lyryx.com/subjects/business/business-mathematics/" target="_blank" rel="noopener noreferrer nofollow">Business Math, a Step-by-Step Handbook (2021) by Jean-Paul Oliver</a>

# --question--

## --assignment--

Complete the problems on pages 155 and 163 from "Business Math, a Step-by-Step Handbook (2021)".

## --text--

Which of the following business equations is not correct?

## --answers--

Profit = Revenue - Cost

---

Revenue = Price * Demand

---

Cost = Fixed Expenses + Variable Expenses

---

Marginal Revenue = Margins + Revenue

## --video-solution--

4
