PreCalc Functions Practice

Front

Is this a function?

Back

Yes, a function is a relation where each input has exactly one output.

Front

f(x) is the same thing as ______.

Back

y, which represents the output of the function for a given input x.

Front

What is the range in interval notation?

Back

The range is the set of all possible output values of a function, expressed in interval notation.

Front

How do you read 'f(x)' out loud?

Back

'f of x' is the correct way to read it.

Front

Is this a function?

Back

No, a relation is not a function if any input has more than one output.

Front

What is a function?

Back

A function is a special relationship between values where each input is related to exactly one output.

Front

What is the domain of a function?

Back

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

Front

What does it mean for a function to be linear?

Back

A linear function is a function that graphs to a straight line, represented by the equation y = mx + b.

Front

What is the slope of a line?

Back

The slope is a measure of the steepness of a line, calculated as the rise over run (change in y over change in x).

Front

What is a quadratic function?

Back

A quadratic function is a polynomial function of degree 2, typically in the form f(x) = ax^2 + bx + c.