Use a change of variables to evaluate the following definite integral. 2 2x 2 dx 1 (x2 + 2) Determine a change of variables from x to u. Choose the correct answer below. u= (x2+2)2 u=2x V u=x2+2 u=x2 Write the integral in terms of u. 2 2 B 12)\": I (D) du (X2 3 Use a change of variables to evaluate the following definite integral. xV 16 - x dx Determine a change of variables from x to u. Choose the correct answer below. A. U = 16-x2 O B. u= 2x O C. u= 16-x2 OD. U=X2 Write the integral in terms of u. xV 16 -x2 dx = ( du 16Use a change of variables or the accompanying table to evaluate the following definite integral. o sin x dx 4+ cos x - JU Click the icon to view the table of general integration formulas. . . . Determine a change of variables from x to u. Choose the correct answer below. O A. U= - 4 + cos x O B. u= sin x O C. U= COS X D. U=4+ cos x Write the integral in terms of u. - 0 sin x dx = () du 4+ cos x - It 3