7. Evaluate the integral: S V100-x2 dx 5x2 (A) Which trig substitution is correct for this integral? (2 Points) A. x = 100sec(0) B. x = 100sin(0) C. x = 10tan(0) D. x = 10sin(0) E. x = 10sec(0) F. x = 100tan(0) (B) Which integral do you obtain after substituting for x and simplifying? (C) What is the value of the above integral in terms of 0 ? (4 points) (D) What is the value of the original integral in terms of x ? (6 Points)