Mathematical modelling simply refers to the creation of mathematical formulas to represent a real world problem in mathematical terms. This lesson reviews the creation and pitfalls of mathematical models. Introduction

# Day: February 5, 2019

## What is a Radical Function? – Definition, Equations & GraphsWhat is a Radical Function? – Definition, Equations & Graphs

Radical functions operate very differently than regular functions. This lesson covers the definitions, equations, and graphs that you will need to know to be successful with radical functions. What Are

## Limits of Clinical Investigations: What Clinical Research Can and Can’t DoLimits of Clinical Investigations: What Clinical Research Can and Can’t Do

How do psychologists figure out the causes of and best treatments for psychological disorders? In this lesson, we’ll look at some limitations of clinical research, including the difficulty of generalizing

## Social Conservatism vs. Social LiberalismSocial Conservatism vs. Social Liberalism

In this lesson we will learn about the difference between social conservatism and social liberalism. We will highlight the key differences between these views, and we will explore some the

## Lincoln Steffens: Biography, Books & AccomplishmentsLincoln Steffens: Biography, Books & Accomplishments

Lincoln Steffens is considered to be one of the most impactful journalists during the Progressive Movement in America. Learn about how he got his start as a writer and some

## Cantus Firmus: Definition & ExamplesCantus Firmus: Definition & Examples

The cantus firmus is a compositional technique that has existed for a thousand years. Learn how it developed, how it was used, and some of the important compositions that employed

## How to Find and Relate to a Career MentorHow to Find and Relate to a Career Mentor

A mentor can help a person advance in their career and give them advice when they are in difficult situations. Watch this lesson to learn how to find a mentor

## Charles Perrault’s Cinderella: History & SummaryCharles Perrault’s Cinderella: History & Summary

The classic story of love and magic leading from rags to riches is known in Western culture by the title of ‘Cinderella.’ This version, created by Charles Perrault in the

## Menelaus in The Iliad: Characteristics & TraitsMenelaus in The Iliad: Characteristics & Traits

Though he is often outshone by the glory of his older brother and other warriors, Menelaus is a strong, steady man who has been hurt by the betrayal of Helen.