Answer:
When the plane cuts the cone at an angle between a perpendicular to the axis (which would produce a circle) and an angle parallel to the side of the cone (which would produce a parabola), the curve formed is an ellipse.
Step-by-step explanation:
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AC is 2x+1
CB is 3x-4
AB= 2x+1+3x-4
Answer:

Step-by-step explanation:
We are given these following functions:


(f+g)(x)
We add the common terms. Thus:

Thus:

R'S' is equal in length to RS.
length doesnt change, it was just rotated.