Function Notation

Front

If a question asks you to find f(2), what does that mean?

Back

Let x = 2

Front

If f(x) = 2x + 1, find f(1).

Back

f(1) = 3

Front

If f(x) = 2x + 1, what would be your first step to find f(1)?

Back

Plug a 1 in for all the x's

Front

How do you read f(x)?

Back

f of x

Front

How would you write y = 2x - 3 in function notation?

Back

f(x) = 2x - 3

Front

What is function notation?

Back

A way to represent a function using symbols, typically f(x).

Front

What does the 'x' represent in f(x)?

Back

The input value for the function.

Front

What is the output of the function f(x) = 2x + 1 when x = 3?

Back

f(3) = 7

Front

How do you evaluate a function at a specific value?

Back

Substitute the value into the function's equation.

Front

What is the domain of a function?

Back

The set of all possible input values (x-values).