1Q: Using Newton Divided difference formula obtain the value of x when y=200 using the following table:

x	5	7	11	13	17
y	150	392	1452	2366	5202

2Q: Using Lagrange Interpolation obtain the value of x when y=5 using the following table:

x	1	1.4	1.8	2.2
y	3.49	4.82	5.96	6.5

3Q: Using Lagrange Interpolation and Newton Divided difference formula obtain the value of x when y=330 using the following table:

x	20	25	30	35
y	354	332	291	260