Check my work for linear programming questions please! (I'll post my answers+the question in the comments)

Question

dinorap1 · Answer

Here is the first question. (0,5) DOES yield the maximum profit, but it isn't a valid vertice on the graph, I don't think.

dinorap1 · Answer

Oops, I mean (5,0) yields the highest profit ^^^

dinorap1 · Answer

Here is the graph for the question above.

dinorap1 · Answer

Is this right?

dinorap1 · Answer

Oops, I just realized a mistake I made... (0,5) IS on the graph. So that must be the answer for that one...

wmj259 · Answer

If you graph it on desmos.com, you can visually see where the lines overlap, if you do graph it there, you can use the inequality symbols to actually shade in teh sdies.