Evaluating functions

3 videos
3 skills
Learn how to find the value of a function for a given input value.

Evaluating a function: formula

VIDEO 0:59 minutes
Sal evaluates f(x)=49-x^2 at x=5.

Evaluate functions

PRACTICE PROBLEMS
Evaluate functions for specific inputs given the formula of the function.

Evaluate a function: graph

VIDEO 0:44 minutes
Sal evaluates a function at x=-1 using the graph of that function.

Evaluate functions from their graph

PRACTICE PROBLEMS
Evaluate functions for specific inputs given the graph of the function.

How to evaluate an expression that contains function notation (example)

VIDEO 1:23 minutes
Sal evaluates -2*f(-6)+g(1) given the graphs of f and g.

Evaluate function expressions

PRACTICE PROBLEMS
Evaluate expressions that contain function notation, given the functions' graphs.