Answer:
the first four answers are all correct
Hope this helps. Domain and range are the same for this question.
2/21 is the answer.
1/3+4/7=19/21
Hope this helps!
So far, this is shaping up to be a very interesting and engaging exercise. Now, what do you want done with the model ? To put it in other words, what is the question ? ? (Other than the fact that no real flight can fit this model.)
The answer is (x-42)×(x+42)
