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Rainbow [258]
2 years ago
6

How do i solve this?

Mathematics
1 answer:
dangina [55]2 years ago
8 0

\text{Given that, f(x) = 2x+5}\\\\f(-1) = 2(-1)+5 = -2+5= 3\\\\f(2)  = 2(2)+5 =  4+5 = 9\\\\f(0)  =2(0)+5 = 0+5=5\\\\f(z) = 2z+5

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A geometric sequence is shown below.
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Answer:

An explicit representation for the nth term of the sequence:

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Step-by-step explanation:

Given the geometric sequence

-\frac{1}{2},\:-2,\:-8,\:-32,...

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f_n=f_1\cdot r^{n-1}

Determining the common ratios of all the adjacent terms

\frac{-2}{-\frac{1}{2}}=4,\:\quad \frac{-8}{-2}=4,\:\quad \frac{-32}{-8}=4

As the ratio is the same, so

r = 4

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substituting r = 4, and f₁ = -1/2 in the nth term

f_n=f_1\cdot r^{n-1}

f_n=-\frac{1}{2}\cdot \:4^{n-1}

Thus, an explicit representation for the nth term of the sequence:

f_n=-\frac{1}{2}\cdot \:4^{n-1}

It means, option (B) should be true.

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

<u>Step 1:  Find out what each part of slope intercept form is</u>

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<em>y = -2x + 3</em>

<em />

Answer:  y = -2x + 3

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leonid [27]

Answer:

49

Step-by-step explanation: no idea i just evaluated like that

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Read 2 more answers
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