Bằng phương pháp hình học, hãy tìm nghiệm và giá trị tối ưu của bài toán qui hoạch tuyến tính sau đây:
Min f

(x) = −3x1 + x2


x1 + x2 ≤ 4
x2 − x1 ≥ −1
x1, x2 ≥ 0.

Yo y do yall have 2 stars that means yall wrong bro

If a revenue in total for a month was $9,950, fixed expenses were $9,000, and variable expenses were $300 what would be the total profit/ loss for the month?

Randy and trey take turns cleaning offices on the weekends. it takes randy at most 4 hours to clean the offices. it takes trey at most 6 hours to clean the offices. what is the greatest amount of time it would take them to clean the offices together? 2.4 hours 2.5 hours