Answer:
A. Linear
Step-by-step explanation:
The equation ([tex]t(x)=x+5[/tex]) is a linear equation. As per its definition, a linear equation is an equation where all terms are to the first degree, meaning that none of the terms have an exponent. The equation, ([tex]t(x)=x+5[/tex]) falls under this category, as none of its terms has an exponent, therefore, the equation is a linear equation.
