Question 14 a A particle moves along a straight line so that at time t > 0 its acceleration is given by a (t) = 12t. At time t = 0, the velocity of the particle is 2 and the position of the particle is 5. Which of the
following is an expression for the position of the particle at time t > 0?

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.