2 years ago

PLZ HELP ASAPPPPPP!!!!!!!!!

1 answer:

8 0

Answer:

7.7 x 10²?

Step-by-step explanation:

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Trava [24]

Take the point (10,5)
5 = constant / 10

constant = 5*10 = 50

also for the point (4 , 12.5) constant = 4*12.5 = 50

Answer is 50

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2 years ago

padilas [110]

Answer:

The lower bound of 19.4 is 19.35

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2 years ago

olga nikolaevna [1]

Answer:

See proof below

Step-by-step explanation:

We have to verify that if we substitute $a_n=4^n+2(-1)^n$ in the equation $a_n=3a_{n-1}+4a_{n-2}$ the equality is true.

Let's substitute first in the right hand side:

$3a_{n-1}+4a_{n-2}=3(4^{n-1}+2(-1)^{n-1})+4(4^{n-2}+2(-1)^{n-2})$

Now we use the distributive laws. Also, note that $(-1)^{n-1}=\frac{1}{-1}(-1)^n=(-1)(-1)^{n}$ (this also works when the power is n-2).

$=3(4^{n-1})+6(-1)^{n-1}+4(4^{n-2})+8(-1)^{n-2}$

$=3(4^{n-1})+(-1)(6)(-1)^{n}+4^{n-1}+(-1)^2(8)(-1)^{n}$

$=4(4^{n-1})-6(-1)^{n}+8(-1)^{n}=4^n+2(-1)^n=a_n$

then the sequence solves the recurrence relation.

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3 years ago

bekas [8.4K]

The answer is C y=6x-6

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2 years ago

kap26 [50]

Answer:

idk

Step-by-step explanation:

im sorryyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyy

7 0

3 years ago