Function Notation and Evaluating Functions

Front

Given h(x) = -x² + 3x, find h(5).

Back

h(5) = -10

Front

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

Back

f(x) = 2x - 3

Front

f(x) is the same thing as ______.

Back

y

Front

How do you read f(x)?

Back

f of x

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

What is function notation?

Back

A way to represent a function using symbols, typically f(x), where f is the function name and x is the input.

Front

What does f(3) mean?

Back

It means to evaluate the function f at the input value of 3.

Front

If f(x) = x² + 2, what is f(2)?

Back

f(2) = 6

Front

What is the domain of a function?

Back

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

Front

What is the range of a function?

Back

The set of all possible output values (f(x) or y-values) for the function.