It is always linear
it has a y intercept at 7 and an X intercept at -7
domain: (-infinity, infinity)
range: (-infinity, infinity)
integral: (1/2) x^2+7×
derivative: 1

We can take out x as a factor

What is 7-1=?
6 !
So then that means

So your final answer is
Answer:
B
Step-by-step explanation:
Hope this helps plus happy new year!
The answers my dear friends is 15x^6-20x^5+10x^4