Give the Focus, Directrix, and Axis for the Parabola $12 \mathrm { ft }$

Multiple Choice

Give the focus, directrix, and axis for the parabola.
-If an object is thrown upward with an initial velocity of $12 \mathrm { ft }$ per second, then its height is given by $\mathrm { h } = - 12 \mathrm { t } ^ { 2 } + 48 \mathrm { t }$ . What is its maximum height?

A) $72 \mathrm { ft }$
B) $48 \mathrm { ft }$
C) $24 \mathrm { ft }$
D) $36 \mathrm { ft }$