\"\"

\

The solution of the differential equation is \"\".

\

(a) Show that the differential equation is \"\".

\

\"\"

\

Apply derivative on each side with respect to \"\".

\

\"\"

\

\"\"

\

\"\"

\

\"\"

\

Substitute \"\".

\

\"\"

\

\"\".

\

The differential equation is \"\".

\

\"\"

\

(b)

\

Graph the family of equations \"\" to \"\":

\

\"\"

\

\"\"

\

(c) Find the solution of the differential equation satisfies the initial condition \"\".

\

The solution of the differential equation is \"\".

\

The initial condition is \"\".

\

Substitute \"\" in \"\".

\

\"\"

\

\"\".

\

Substitute \"\" in \"\".

\

\"\".

\

\"\"

\

(d) Find the solution of the differential equation satisfies the initial condition \"\".

\

The solution of the differential equation is \"\".

\

The initial condition is \"\".

\

Substitute \"\" in \"\".

\

\"\"

\

\"\"

\

\"\".

\

Substitute \"\" in \"\".

\

\"\".

\

\"\"

\

(a) The differential equation is \"\".

\

(b) Graph of the family of equations \"\" to \"\" \"\".

\

\"\"

\

(c) \"\".

\

(d) \"\".