lauren graphed the relationship between how many days had passed since she planted a cactus and it’s height (in centimeters)
2 answers:
See the explanation
<h2>Explanation:</h2><h2 />Hello! Remember you have to write complete questions in order to get exact and good answers. However, I found a similar question on the internet which is attached below and want to explain it to you. Here we know that the graph is a line that passes through the points So the slope is:
<em>From the slope we know that the plant grows 1 cm every two days.</em>
<h2>Learn more:</h2>Parallel lines: brainly.com/question/12169569
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<u>Solution- </u>
A researcher placed a petri dish with 32,000 bacterial cells. One hour after being placed in the vacuum chamber, the number of cells in the petri dish had halved. Another hour later, the number of cells had again halved.
This can be represented as exponential decreasing function,
Where,
- a = starting amount = 32000
- r = rate = 50% = 0.5 as the sample becomes halved in each hour
- x = hours
Putting the values,
y-intercept means, where x=0, so
The coordinate of this poin will be (0, 32000)
This means when x=0 or at the starting of the research, the number of bacteria cells was 32000.
After 3 hours, number of bacteria cells will be,
The coordinate of this point will be (3, 4000)
