Evaluating Functions

Front

What is a function?

Back

A function is a relation that assigns exactly one output for each input from a set of inputs.

Front

What does it mean to evaluate a function?

Back

To evaluate a function means to find the output value when a specific input is substituted into the function.

Front

Evaluate the function: f(x) = x + 4; Find f(3)

Back

7

Front

Evaluate the function: f(x) = 4x + 1; Find f(-2)

Back

-7

Front

Evaluate the function: f(x) = x + 3; Find f(-7)

Back

-4

Front

Evaluate the function: f(x) = -2x + 5; Find f(0)

Back

5

Front

Evaluate the function: g(x) = -2x - 4; Find g(1)

Back

-6

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.

Front

What is the range of a function?

Back

The range of a function is the set of all possible output values (y-values) that the function can produce.

Front

What is a linear function?

Back

A linear function is a function that can be graphically represented as a straight line, typically in the form f(x) = mx + b.