---
id: 5e8f2f13c4cdbe86b5c72d94
title: 'Neural Networks: Optimizers'
challengeType: 11
videoId: hdOtRPQe1o4
dashedName: neural-networks-optimizers
---

# --question--

## --text--

What is an optimizer function?

## --answers--

A function that increases the accuracy of a model's predictions.

---

A function that implements the gradient descent and backpropagation algorithms for you.

---

A function that reduces the time a model needs to train.

## --video-solution--

2

