Describe the vertical asymptotes) and holes) for the graph of y=(x+2)(x+4)/(x+4)(x+1) a. asymtotes: x=-1 and hole: x=4 b. asymtotes: x=2 and hole: x=-1 c. asymtotes: x= -1 and hole: x=-4 d. asymtotes: x=1 and hole: x=4 can someone pl

[10 points, algebra 2]according to my answer key the restrictions are -1 and 4. but why not positive 1?

Ascientist wants to use a model to present the results of his detailed scientific investigation. why would a model be useful? a )because the model makes the concepts easier to understand b) because the model is easy to put together and to use c) because the model prevents other scientists from asking questions d) because the model requires the audience to pay full attention to it i don't know what to choose because between a and d a is much more likely than d because it only wants to get the attention of the audience. i'm confuse.

Fatima plans to spend at least $15 and at most $20 dollars on sketch pads and pencils. if she buys 2 sketchpads, how many pemcils can she buy while staying in her price range? fatima can buy between and pencils. ? (type whole numbers. use ascending? order.)