numrical analysis

Xo X4 h h h h h 27- Is(x)dr = }{f(x)+2.f(x))+2} (x)+2f(x+25)+28(x))+507)}" which mumerical method is used in this equation? A) multiple trapezoidal method step size=h B) 1/3 simpson' rule method step size=h multiple rectangular method step sizesh D) 3/8 simpson's rule method step sizesh E) multiple trapezoidal method step size=2h e N x >> x= [2 9); >> y= (1 6]; >> z= [60 57.5;55 70]; >> .........?..(x,y,z,5.25,4.8) ans = 61.2143 multilinear regression is used for the given x any data. what code in matlab must be written instead of ...........? ON inter Oply. Owl Oppolyatsy. Command Window >> x=0:0.5:10: Yapolyval([3 50).): resultatrapz (x, y) result - which following can the result be? O A) 1551.3 O B) 1251.3 C) 1351.3 OD) 11513 O E) 1451.3 Matlab: >> x= [1 3 6 8 10 14); >> y=[10 29 38 45 67 89]; >>q=polyfit(x,y,3) 24- q= 0.017 -0.3 6.94 5.5 What is the value of regression y at x=1; 9(1)=? OA) 14.157 OB 10.157 12.157 OD 11.157 OE) 13.157