Answer:
A function can be represented verbally. For example, the circumference of a square is four times one of its sides.
A function can be represented algebraically. For example,
3
x
+
6
.
A function can be represented numerically.
A function can be represented graphically.
Step-by-step explanation:
A function is a relation between a set of inputs and a set of permissible outputs, provided that each input is related to exactly one output. An example is the function that relates each real number
x
to its square
x
2
. The output of a function
f
corresponding to an input
x
is denoted by
f
(
x
)
(read “f of x“). In this example, if the input is
−
3
, then the output is 9, and we may write
f
(
−
3
)
=
9
. The input variable (s) are sometimes referred to as the argument(s) of the function.
Modern calculus texts emphasize that a function can be expressed in four different ways.
