, cho điểm 
, 
. Tìm toạ độ điểm 
nằm trên trục 
sao cho 
?
.
. 
. 
. 
Giải bởi Vietjack
Gọi 
. Ta có: 
, 
.
Để 
. Vậy 
. Chọn C.
Daniel, a supervisor, is expressing his concern for Camila, an employee. What would be the best response for Camilla in this situation?
Daniel: I’ve noticed a decline in your performance over the past few weeks. Is there something affecting your work?
Camila: _____________
