Pls help. Hw is due in 15 minutes.

-22 Evaluate the integral: dx 2 2 Vx2 + 16 (A) Which trig substitution is correct for this integral? Ox = 16 sec(0) Ox = 16 tan(0) Ox = 4 sin(0) Ox = 4tan(0) Ox = - 22sec(0) Ox = 16 sin(0) (B) Which integral do you obtain after substituting for a and simplifying? Note: to enter 0, type the word theta. (-11) cos(0) (0) sin (0) (C) What is the value of the above integral in terms of 0? (0) sin (0) + C (D) What is the value of the original integral in terms of ac? (Vz2 + 16 + C (0) (2) syntax error. Check your variables - you might be using an incorrect one