Evaluating a Function

Topic: Functions

To evaluate a function, substitute a value into the function rule.

 

Example:
Given f(x)=3x−4f(x) = 3x - 4, find f(5)f(5):
→ f(5)=3(5)−4=11f(5) = 3(5) - 4 = 11

Functions

Basic Mathematics

 What is a Function? Key Terminologies Function vs. Relation Ways to Represent a Function Types of Functions Linear Functions Evaluating a Function Finding Domain and Range The Vertical Line Test Composite Functions (Intro Concept) Inverse Functions (Intro Concept) Real-Life Examples of Functions Function Table Practice Example Function Notation vs Equation Summary Table