The function is .
The differential equation is .
Verify the differential equation correspond to the function
.
Consider .
Diferentite with respect to .
.
Hence the differential equation is a solution of
.
Verify the initial condition correspond to the function
.
Consider .
Substitute in the above equation.
Hence the initial condition is a solution of
.
The differential equation is a solution of
.
The initial condition is a solution of
.