Cho ánh xạ tuyến tính f có ma trận biểu diễn là A =


1 −4 15
−1 −22 20
1 −25 22


theo cơ sở a1 = (8, −6, 7), a2 = (−16, 7, −13) và a3 = (9, −3, 7). Tìm ma
trận của f theo cơ sở
b1 = (1, −2, 1); b2 = (3, −1, 2); b3 = (2, 1, 2)

Write an equation of a line in slope intercept form that is perpendicular to the line 2x -3y = 12 and passes through the point (2, 6).

Which of the following can be used to explain a statement in a geometric proof?

James is playing his favorite game at the arcade. after playing the game 33 times, he has 88 tokens remaining. he initially had 2020 tokens, and the game costs the same number of tokens each time. the number tt of tokens james has is a function of gg, the number of games he plays