Listen to the sound clip Hello everyone... Today, we will learn about the types of functions together. The first function we will talk about is... One to one functions... or functions that pair numbers in the domain with unique numbers in the range. For example... One... pairs with... Four... Two... pairs with... Five... Three... pairs with... Six... This is a one to one function. Next... Not all functions are one to one... Some functions in the domain pair with the same number in the range. For example... One...... from Achara (Thai Thailand) TTS Computer AI Voice: