Evaluating Functions

Front

How do you read f(x)?

Back

f of x

Front

What is f(1) if f(x) is defined such that f(1) = 5?

Back

5

Front

Evaluate f(-2) for the function f(x) = x + 3.

Back

f(-2) = 1

Front

If f(x) = 6x^2 - 4, what is f(-1)?

Back

f(-1) = 2

Front

Evaluate g(-7) for the function g(x) = 4x - 2.

Back

g(-7) = -30

Front

What is the definition of a function?

Back

A function is a relation that assigns exactly one output for each input.

Front

What does it mean to evaluate a function?

Back

To evaluate a function means to find the output value for a given input.

Front

What is the domain of a function?

Back

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

Front

What is the range of a function?

Back

The range is the set of all possible output values (y-values) for the function.

Front

What is the difference between f(x) and g(x)?

Back

f(x) and g(x) are different functions that may have different rules or equations.