Examples

y = x + 2

$y = x + 2$

Step 1

To rewrite as a function of

x

$x$ , write the equation so that

y

$y$ is by itself on one side of the equal sign and an expression involving only

x

$x$ is on the other side.

f (x) = x + 2

$f (x) = x + 2$

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⎡ ⎢ ⎣ \begin{matrix} x^{2} & \frac{1}{2} \sqrt{π} & \int x d x \end{matrix} ⎤ ⎥ ⎦

$[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]$