Identify the Independent and Dependent Variables for the Equation $s = 4 t ^ { 2 } + 5 t - 9$

Multiple Choice

Identify the independent and dependent variables for the equation. $s = 4 t ^ { 2 } + 5 t - 9$

A) the dependent variable $t$
B) the dependent variable $S$
C) the independent variable $t$
D) the independent variable $S$