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s2008m [1.1K]
3 years ago
9

Which relation is a function?

Mathematics
1 answer:
hodyreva [135]3 years ago
5 0

Answer:

it would be the two on the right because they both pass the vertical line test

Step-by-step explanation:

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The explicit rule for a sequence is given. an=4n−1 What is the recursive rule for the sequence?
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Answer:

a_{n+1}=a_n+4

Step-by-step explanation:

Have in mind the definition of the term a_n=4\,n-1, and now work on what the term a_{n+1} is based on the previous definition:

a_{n+1} = 4\,(n+1)-1\\a_{n+1}=4\,n+4-1

In the next step do NOT combine the numerical values, but try to identify the a_n term (4\,n-1) in the expression (notice the use of square brackets to group the relevant terms):

a_{n+1}=4\,n+4-1\\a_{n+1}=[4\,n-1]+4\\a_{n+1}=a_n+4

So now we have the term "a_{n+1}" defined in a recursive manner based on the previous term "a_n"

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3 years ago
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belka [17]
The midpoint is (-6,2)

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Expanded form for 41.32
Anna35 [415]
It is:

40+1+0.3+0.02=41.32



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4 years ago
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Wat is da closest answer to 3723.4 divided by 27.1
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It’s 137.39

Step-by-step explanation:

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Find the area of a sector with a 4 inch radius and arc measure of 90 degrees. use 3.14 for pi.
gulaghasi [49]

Answer:

\frac{90}{360} \pi{r}^{2}  \\ \frac{1}{4}   \times 3.14 \times  { 4}^{2}  \\  = 12.56 {in}^{2}

<em>hope</em><em> </em><em>this</em><em> </em><em>helps</em><em> </em><em>you</em><em>.</em><em>.</em><em>.</em><em>.</em>

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