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Elena-2011 [213]
3 years ago
14

Please help me ASAP!!!

Mathematics
2 answers:
Papessa [141]3 years ago
6 0

Answer:

The first one: -(x + 2) ^2 +4

Step-by-step explanation:

Used desmos.com, which is an online graphing website.

prisoha [69]3 years ago
4 0

It's a parabola with zeros at x=-4 and x=0 and we know f(-2)=4 is the vertex.

The concave downward orientation means it has a minus sign on the quadratic term.

Vertex form suggests

f(x) = -(x + 2)² + 4

We check f(0)=-4+2=0 and f(-4)=-(-4 + 2)² + 4 = -4 + 4 = 0, good

Answer: first choice

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Answer:

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Step-by-step explanation:

Arc length is circumference

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Find the total arc length and multiply by the fraction of the circle

arc length = 2 * pi * r * 1/8

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Answer:

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