Which answer shows a reflection across the x-axis?

Mathematics

1 answer:

stepladder [879]3 years ago

8 0

Answer:

Step-by-step explanation:

The key word is x-axis, and since the bottom line is the x, just look for a reflection of it.

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Suppose y = 48 + 3(2n - 1) is an explicit representation of an arithmetic sequence for integer values n ≥ 1. Find the xth partia

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$a_n=48+3(2n-1)$

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calculate:
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substitute
$S_n=\dfrac{51+48+3(2n-1)}{2}\cdot n=\dfrac{99+6n-3}{2}\cdot n=\dfrac{96+6n}{2}\cdot n=3n^2+48n$
Your answer is:
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