Cho toán tử tuyến tính f: R3 - R3, f (x, y,z) = (2x; -x+y; 11y-z) a) Chứng minh f là một ánh xạ tuyến tính

b) Cho cơ sở B = ( u1(3;2;1), u2(-2;1;2), u3(1;2;-2) ). Tìm ma trận ánh xạ tuyến tính của (f)B

What number should be added to both sides of the equation to complete this square? x^2-10x=7

Acertain volume of water contains 100000 hydrogen atoms and 50,000 oxygen atoms how many hydrogen atoms are in a volume of water containing 4 million oxygen atoms

Bonnie and bobby are saving money for a vacation. each friend starts with an amount and also saves a specific amount each week. bonnie created a table to show the total she has saved at the end of each week.. weeks 0 1 2 3 4 5 6 7 8 amount saved 12 16 20 24 28 32 36 40 44 bobby came up with the following equation to show the total, y, he has saved at the end of each week, x. y = 12x + 4 compare the rate at which each friend saves money. select the correct answer from the drop-down menu to complete the statement. the rate at which bobby is adding to his savings each week is $ more than the rate at which bonnie is adding to her savings each week.