Eliminate the Parameter and Write the Corresponding Rectangular Equation Whose $x = \sqrt { t }$

Multiple Choice

Eliminate the parameter and write the corresponding rectangular equation whose graph represents the curve. $x = \sqrt { t }$ $y = 4 - t$

A) $y = 4 - x$
B) $y = 4 + x$
C) $y = 4 + x ^ { 2 }$
D) $y = 4 - x ^ { 2 }$
E) $y = \sqrt { x }$