In 28 44, establish each identity

S343 Section 2.4 Notes- Differences Between Linear and Nonlinear Equations 9-2-16 ′ Theorem 2.4.1- For + = (), as long as and are continuous on , containing , 0 + = ( ) there exists a unique function = to the initial value problem { ) = 0 0 o As long as 0 , , that is the solution’s interval of existence ( − 3 + = sin Ex. Find the interval of