Part 1
The y-intercept is when x=0, and . So, the y-intercept is at (0, 210).
Part 2
The x-intercept(s) are when y=0, so:
So, the x-intercepts are: (-6, 0), (5, 0), (7, 0)
Using our roots from Part 2, we know that:
Part 3:
Part 4:
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