Function Notation

Front

What is function notation?

Back

Function notation is a way to represent a function using symbols, typically written as f(x), where 'f' is the name of the function and 'x' is the input variable.

Front

If f(x) = 6x - 9, what is f(4)?

Back

f(4) = 6(4) - 9 = 24 - 9 = 15.

Front

What does it mean to find f(2) in function notation?

Back

Finding f(2) means to substitute 2 for the variable x in the function.

Front

If f(x) = -3x - 8, what is f(-1)?

Back

f(-1) = -3(-1) - 8 = 3 - 8 = -5.

Front

What is the first step to find f(1) if f(x) = 2x + 1?

Back

The first step is to plug 1 in for all the x's in the function.

Front

If g(x) = 9x + 24, what is g(3)?

Back

g(3) = 9(3) + 24 = 27 + 24 = 51.

Front

What is the output of a function?

Back

The output of a function is the value that results from substituting an input into the function.

Front

What does the notation f(x) represent?

Back

f(x) represents the value of the function f at the input x.

Front

How do you evaluate a function at a specific point?

Back

To evaluate a function at a specific point, substitute the given value into the function's expression.

Front

What is the domain of a function?

Back

The domain of a function is the set of all possible input values (x-values) for which the function is defined.