Which Equation Does the Function $y = e ^ { - 6 t }$

Multiple Choice

Which equation does the function $y = e ^ { - 6 t }$ satisfy?

A) $y ^ {tt } - 3 y ^ { t } + 42 y = 0$
B) $y ^ { tt } - y ^ { t } - 42 y = 0$
C) $y ^ { tt } - y ^ { t } + 42 y = 0$
D) $y ^ { tt } + y ^ { t } - 42 y = 0$
E) $y ^ {tt } + y ^ { t } + 42 y = 0$