Functions and Function Notation

Front

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

Back

f(x) = 2x - 3

Tags

CCSS.HSF.IF.A.2

Front

Given f(x) = -4x - 10 and f(x) = 10. Find x.

Back

x = -5

Tags

CCSS.HSF.IF.A.2

Front

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

Back

Let x = 2

Tags

CCSS.HSF.IF.A.2

Front

Evaluate f(x) = 2x^2 + 5x - 17 for f(-1).

Back

-20

Tags

CCSS.HSF.IF.A.2

Front

If f(x) = x^2 + 3, evaluate f(-2).

Back

7

Tags

CCSS.HSF.IF.A.2

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 variable.

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Front

What does f(x) represent?

Back

f(x) represents the output of the function f for a given input x.

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Front

How do you evaluate a function at a specific point?

Back

Substitute the value of the input variable into the function's equation.

Tags

CCSS.HSF.IF.A.2

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) values) for the function.