Functions Unit Flashcard

Front

State the range of the relation: {(3, -2), (4, -3), (5, -4), (6, 0)}

Back

{-2, -3, -4, 0}

Front

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

Back

f(1) = 3

Front

Is this mapping diagram a function or not a function?

Back

Function

Front

If f(x) = -3x - 8, find f(-1).

Back

f(-1) = -5

Front

In the equation, y = mx + b, the letter b is the ___________.

Back

y-intercept

Front

What is a function?

Back

A relation where each input has exactly one output.

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 (y-values) for the function.

Front

What does the slope (m) represent in the equation y = mx + b?

Back

The rate of change of y with respect to x.

Front

How do you find the y-intercept of a linear function?

Back

Set x = 0 and solve for y.