Functions Unit Review

Front

What is the definition of a function?

Back

Every input has only one output.

Front

What is the inverse of the points (1,3)(2,4)(6,2)?

Back

(2,6)(3,1)(4,2)

Front

What is the increasing interval for the function below? (Assuming a function that increases until x=2)

Back

@@(- ext{∞},2]@@

Front

Solve the system: 4x - 3y - 5z = -1, 5x + 3y - 3z = 9, -2x - 6y - 4z = -8

Back

(0, 2, -1)

Front

The inverse has been reflected over which line?

Back

y = x

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 it mean for a function to be one-to-one?

Back

A function is one-to-one if every output is produced by exactly one input.

Front

What is a vertical line test?

Back

A method to determine if a curve is a function by checking if any vertical line intersects the curve more than once.

Front

What is the composition of functions?

Back

The process of applying one function to the results of another function.