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alina1380 [7]
3 years ago
12

The diameter of a bacterial colony that doubles every hour is represented by the graph below. what is the diameter of the bacter

ia after 9 hours?
(0,1) , (1,2) , (2,4) , (3,8)
Mathematics
2 answers:
andrezito [222]3 years ago
7 0
The colony doubles every hour, the population is equal to
p = 2^t

<span>Where t </span><span>is the time in hours.</span>
We are able to see this because:
2^0 = 1
2^1 = 2
2^2 = 4

Notice that the x coordinate of the graph corresponds to the time, and the y coordinate corresponds to the population.

<span>Thus at t = 9
</span>p = 2^t
p = 2^9
p = 512.

The correct answer is 512.

Mazyrski [523]3 years ago
6 0

Answer:

Step-by-step explanation:

Answer: 1,023

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Which graph represents 9x2 – 16y2 – 54x + 64y – 127 = 0?
klasskru [66]

Answer:

Right now I'm wondering what kind of class you are taking to get such a weird graph, but I graphed it for you on the screenie.

Step-by-step explanation:

You should though recheck your question for exponents, as 9x2 could be interpreted differently.

Since exponents to not transition well here, I can assume that it was a 9x^2, so please add an exponent symbol ^ between the variables and exponents next time.

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svlad2 [7]

Pre-Image:

(-4, 2), (4, 2), (-3, -1), (3, -1)

Image:

(-8, 4), (8, 4), (-6, -2), (6, -2)

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