22. Which of the following is true for the polynomial y = -6x5 + 8x2 + 17x - 13
(A)
It is an odd polynomial with down-down end behavior.
(B)
It is an odd polynomial with down-up end behavior.
It is an odd polynomial with up-down end behavior.
(C)
(D)
It is an even polynomial with down-down end behavior.
(E)
It is an even polynomial with down-up end behavior.

Which statement about the graph of y = 8(0.25)^2

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.

The equation of a parabola is given. y=18x2+4x+20 what are the coordinates of the focus of the parabola?