need solution in one hour. it's urgent

Q2: For the given data use Newton's forward and backward interpolation formula to find the root for the 4th Degree polynomial, if | i) x, =1.45 for backward ii) o=1.05 for forward 1.1 1.3 1.4 1.5 X= 1 f(x) = 2 1.2 2.3 2.1 2.7 3.5 4.5