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Andrej [43]
3 years ago
15

Solve y=4x+8x for x

Mathematics
1 answer:
Semmy [17]3 years ago
5 0

Answer:

x = y/12

Step-by-step explanation:

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-3x-12>8x+21 please help 30 points!!!!!!!!!!!!!!
hram777 [196]
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+12 +12
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x < -3

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3 years ago
Given that f(x) =<br> X + 3<br> 2 <br> a) Find f(2)<br> b) Find f'(x)<br> c) Find f"(12)
joja [24]

Answer:

Step-by-step explanation:

Unclear.  Did you mean f(x) = 2^(x + 3)?  If so, the parentheses are mandatory.

Assuming that f(x) = 2^(x + 3) is correct, then:

a) f(2) = 2^(2 + 3) = 2^5 = 32

b) f'(x) = 2^(x + 3)*(x + 3)' = 2^(x + 3)(1) = 2^(x + 3)

c) f"(x) = 2^(x + 3) (same as in (b)), so that:

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8 0
3 years ago
Determine whether the following sequence is arithmetic, geometric, or neither.
lawyer [7]

Answer:

arith

Step-by-step explanation:

Let's check whether or not this is a geometric series.

The first term is 1 1/3, or 4/3.

What would the common ratio be, to convert this 4/3 into the 2nd term, 2?

(4/3)r = 2, or r = 2(3/4) = 6/4 = 3/2.

Assuming that the common ratio is r = 3/2, will multiplying 2 by 3/2 result in the 3rd term, 2  2/3?  NO.  So this is NOT a geometric progression.

The difference between 1  1/3 and 2 is 2/3.  If we add 2/3 to 2, we get 2  2/3, which agrees with the given 3rd term.  

If we add 2/3 to 2  2/3, do we get the fourth given term, 3  1/3?

2/3 + 2  2/3 is equivalent to 2  4/3, or 10/3, which is equivalent to 3  1/3.

Thus, this IS an arithmetic sequence, and the common difference is 2/3.

5 0
3 years ago
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