Finite Math Examples

f (x) = \frac{1}{x^{2}}

$f (x) = \frac{1}{x^{2}}$

Step 1

Write

f (x) = \frac{1}{x^{2}}

$f (x) = \frac{1}{x^{2}}$ as an equation.

y = \frac{1}{x^{2}}

$y = \frac{1}{x^{2}}$

Step 2

A function is said to be injective or one-to-one if every y-value has only one corresponding x-value.

Injective (One-to-One)

Step 3