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3 years ago

Help no time pls ————

Mathematics

2 answers:

liberstina [14]3 years ago

8 0

Answer:

A. {3,4}

Step-by-step explanation:

In order to find the x values which would make the entire function undefined, you would have to factor the bottom equation. Factoring x^2+7x+12 gives you (x+3)(x+4). If you set each of these equal to 0, you end up with the x values being 3 and 4.

sladkih [1.3K]3 years ago

7 0

The domain is all real numbers except -3 and -4 or answer C :)

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Answer:

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Step-by-step explanation:

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3 years ago

Find the 9th term of the geometric sequence whose common ratio is 1/3 and whose first term is 2.

raketka [301]

Answer:

2/6561

Step-by-step explanation:

Geometric sequence formula : $a_n=a_1(r)^n^-^1$

where an = nth term, a1 = first term , r = common ratio and n = term position

given ratio : 1/3 , first term : 2 , given this we want to find the 9th term

to do so we simply plug in what we are given into the formula

recall formula : $a_n=a_1(r)^n^-^1$

define variables : a1 = 2 , r = 1/3 , n = 9

plug in values

a9 = 2(1/3)^(9-1)

subtract exponents

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multiply 2 and 1/6561

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2 years ago