Determine Whether or Not the Function $h ( x ) = x ^ { 3 } - x$

question 54

Essay

Determine whether or not the function $h ( x ) = x ^ { 3 } - x$ is one-to-one.

---

Definitions:

Qualified Expenses

These are specific expenses that meet criteria set by tax laws or other regulations for eligibility for tax benefits or deductions.

Finalized

To complete all required procedures to make a document or transaction officially valid and binding.

Child Tax Credit

A tax credit offered by the government which reduces tax liability for taxpayers with dependent children.

AGI

The Adjusted Gross Income is a figure obtained from your gross earnings, serving the purpose of determining the taxable part of your income.