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3 years ago

Is x=y^2 a function or not

Mathematics

1 answer:

Lemur [1.5K]3 years ago

7 0

Answer:yes

Step-by-step explanation:

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Answer:

The value of Z should be 11.

Step-by-step explanation:

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What is the ratio of 20 praise and 2000 rupees<br>

AnnZ [28]

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Find the value of x so that the function has the given value. 2(x) = 2x + 7; n(x) = 17

Galina-37 [17]

Answer:

x = 5

Step-by-step explanation:

Maybe you have ...

n(x) = 2x +7

and you want x for n(x) = 17.

17 = 2x +7

10 = 2x . . . . . . subtract 7

5 = x . . . . . . . . divide by 2

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2 years ago

Can anyone help me about question 2

madreJ [45]

9514 1404 393

Answer:

3(4/3)^2543

Step-by-step explanation:

Using logarithms base 2, we have ...

$(a_n)^{\log{a_n}}=(a_{n+1})^{\log{a_{n-1}}}\\\\(\log{a_n})(\log{a_n}) = (\log{a_{n-1}})(\log{a_{n+1}}) \\\\ \dfrac{\log{a_{n+1}}}{\log{a_{n}}}=\dfrac{\log{a_n}}{\log{a_{n-1}}}=\dots\dfrac{\log_2{16}}{\log_2{8}}=\dfrac{4}{3}$

That is, the ratio of each term to the previous is a constant equal to 4/3. This is the definition of a geometric sequence. This sequence has first term 3 and common ratio 4/3, so the general term is ...

$\log_2 a_n=3\left(\dfrac{4}{3}\right)^{n-1}$

and the 2544th term is ...

$\boxed{\log_2{a_{2544}}=3\left(\dfrac{4}{3}\right)^{2543}}$

8 0

2 years ago