Trong không gian vector R cho hai hệ vector u-u, -(m-2,2,5);:u,-(2,1,3);u, - (3,1,3)},

V={v₁ = (m-1,2,1); v = (m. 2,1);, =(-1,7.4)).

a. Chúng tỏ UI, V là hai cơ sở của R.

b. Cho t = (101,2,3), tim tọa độ của x theo cơ sở V.

Astudent survey asked: "how tall are you (in inches)? " here's the data: 67, 72, 73, 60, 65, 86, 72, 69, 74 give the five number summary. a. median: 73, mean: 70.89, iqr: 5, min: 60, max: 74 b. 60, 66, 72, 73.5, 86 c. 60, 67, 72, 73, 74 d. 0, 60, 70, 89, 74, 100

Which is f(5) for the function –2x2 + 2x - 3?

Every weekday, mr. jones bikes from his home to his job. sometimes he rides along two roads, the long route that is shown by the solid lines. other times, he takes the shortcut shown by the dashed line. how many fewer kilometers does mr. jones bike when he takes the shortcut instead of the long route?