Cho ánh xạ tuyến tính f: R³⇒R³ và hai cơ sở của R³ B={b1=(1;3;3),b2=(-3;6;5),b3=(1;2;2 )}
C={c1=(2;0;3),c2=(-5;-1;-5).c3=(1;0 ;1)}
Biết f(b1)=(-5;6;4), f(b2)=(-8;5;2). f(b3)=(=9;-2;-5)
a) tìm ma trận A=[f]E3 từ đó suy ra biểu thức của f(x1;x2;x3)
b tìm ma trận [f]B
c từ [f]B tính ma trận[f]CB

Ian is in training for a national hot dog eating contest on the 4th of july. on his first day of training, he eats 4 hot dogs. each day, he plans to eat 110% of the number of hot dogs he ate the previous day. write an explicit formula that could be used to find the number of hot dogs ian will eat on any particular day.