y=x^2-2x-5 y=x^3-2x^2-5x-9 When the mo aquations shown are graphed in the coodinate plane, they intersect at a point. Quandolas cos exacones mostradas se grafican on el plano coordinadh, so intersectar en un punto What is the y coordinate of the point of intersection? Qualles la coordenada y del punto de intersecoion? Enter your answer in the box Escribe tu respuesta en el cuada y^a squareRound 0.00258954 to 4 significant figures. 0.002589 0.0025 0.002590 0.002580Câu 9 Cho hàm số f(x)=(x-a_(1))(x-a_(2))... (x-a_(2025)) arctan z với a_(1),a_(2),ldots ,a_(2025) là các hằng số cho trước. Đạo hàm của f(x) tại x=a_(1) bằng Chọn một đảp án đúng A A (a_(1)-a_(2))... (a_(1)-a_(2025)) B B 0. C C arctan a_(1) D D (a_(1)-a_(2))... (a_(1)-a_(2025)) arctan a_(1)e) Suppose that x_(1),x_(2),L,x_(k) occur with frequencies f_(1),f_(2),L,f_(k) , respectively. Let d_(j)=x_(j)-A denote the deviation of the j"observation x_(j),j=1,2,ldots ,k from a number A.. Prove that i) bar (x)=A+bar (d) (2 Marks) ii) s^2=(sum _(j-1)^kf_(j)d_(j)^2-nbar (d)^2)/(n-1) where n=sum _(j=1)^kf_(j) and bar (d)=(1)/(n)sum _(j=1)^kf_(j)d_(j) (3 Marks)Simplify. sqrt [3](8x)+sqrt [3](x)+4sqrt [3](50x) A. 22sqrt [3](4x)+sqrt [3](x) B. 7sqrt [3](2)x+sqrt [3](x) OC. 22sqrt [3](2x)+sqrt [3](x) OD. 22sqrt [3](2)x+sqrt [3](x)PREV 909192939495969798 NEXT
