Functions

Question 1

What is a function?

Answer 1

Is a mathematical expression in terms of a variable that results in an output.

A mathematical expression relating one side to another where there is one result for a single input.

E.g. A function f in terms of x can be written as follows:
F(x)=2x+5

Question 2

What is a domain?

Answer 2

The set of numbers that are valid for a function.

Question 3

What are typically used to represent a function?

Answer 3

F, g, or h

Question 4

How is the output side of the function written?

Answer 4

The letter representing the function followed by the variable used in the mathematical expression in parentheses.

e.g. F(x)

Question 5

What is the function input?

Answer 5

The variable represented both on the output side in parentheses and in the mathematical expression.

Question 6

The domain can be explicitly _____ or assumed to be all real numbers that result in a ____ output.

Answer 6

given and real number/valid