Evaluate. (Be sure to check by differentiating!) 5 (629 - 4)** abitat dt ... Determine a change of variables from t to u. Choose the correct answer below. O A. u=t4 OB. u= 6t - 4 OC. U = 61-4 OD. u=t4-4 Write the integral in terms of u. 5 (62 - 4) ** dt = So du (Type an exact answer. Use parentheses to clearly denote the argument of each function.) Evaluate. (Be sure to check by differentiating!) (2-a)/** .. OC. u = 64- 4 OD. u=t4 - 4 Write the integral in terms of u. 5 (62 - 4)t* dt = SO du (Type an exact answer. Use parentheses to clearly denote the argument of each function.) Evaluate the integral 5 (62 - 4)** dt = (Type an exact answer. Use parentheses to clearly denote the argument of each function.)