pls solve all ty i will score well

15. (187) Find the area of the shaded region in the figure. (Hint: The indefinite integral of y = {x is y = x* + C.) A. 4 B. 7 Y= N/ W X C. 10 D. 13 3+ X=1 E. None of the above XS 16. (187) Find the area of the shaded region in the figure. (Hint: The indefinite integral of y = 3x is y => + C.) 20 A. 1.3 y=3x2 B. 2 C. 4 D. 8 10 E. None of the above x=2 N 17. (185) Calculate this limit: lim *+7 A. 0 B. 1