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Mustafa contributes 11% of his $67,200 annual salary to his 401k plan. what is his pretax income

Which graph corresponds to the function f(x) = x2 + 4x – 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.