The answer is 160. U multiply all. PUT ME AS BEST
First simplify the equation of parabola

in the following way:

.
You can see that if x=1 or x=2, then y=0. Two points of intersection with x-axis are (1,0) and (2,0).
Answer:
55
Step-by-step explanation:
A.a1 is the first term in the sequence
D.n is the index of sequence
is the correct answer....
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