(a).
\The distance is and the angle of elevation is
.
The length of opposite side is and the length of hypotenuse is
.
Substitute all the values into .
.
The function as a function of
is
.
(b).
\Graph:
\Graph the function and
:
(c).
\Find the distance angle of elevation
.
Susbstitute in the function
(a).
(b).
\(c).