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Kelso Math A1 #12 IM Algebra 1 - Lesson 5.5/(18)
By Brenda Cowan
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Last updated almost 5 years ago
18 questions
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Note from the author:
Illustrative Math
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Question 10
10.
The graph shows the amount of a chemical in a water sample. It is decreasing exponentially.
Find the coordinates of the points labeled
A.
Question 11
11.
The graph shows the amount of a chemical in a water sample. It is decreasing exponentially.
Now find the coordinates of point
B
.
Question 12
12.
The graphs shows the amount of a chemical in a water sample at different times after it was first measured.
Select
all
statements that are true.
The amount of the chemical in the water sample appears to be decreasing exponentially.
The amount of the chemical in the water sample does not appear to be decreasing exponentially.
It is not possible to tell for certain whether or not the amount of the chemical is decreasing exponentially.
When it was first measured, there were 2,000 mg of the chemical in the water sample.
After 4 hours, there were 100 mg of the chemical in the water.
Question 13
13.
The graph shows the amount of a chemical in a patient's body at different times measured in hours since the levels were first checked.
Could the amount of this chemical in the patient be decaying exponentially? Yes or No and back it up.
Question 14
14.
The height of a plant in mm is 7. It doubles each week. Select
all
expressions that represent the height of the plant, in mm, after 4 weeks.
7+4*2
7*2^{4}
2+7^{4}
7*2*2*2*2
7*2*4
For problems 15-18:
The number of people who have read a new book is 300 at the beginning of January. The number of people who have read the book doubles each month.
15
16
18
17
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Question 15
15.
visibility
View drawing
1
Question 16
16.
The question is not asking what is happening, as we already know it doubles. What is happening to the DIFFERENCES in the values?
1
Question 17
17.
Yes, by factor it means the growth factor.
1
Question 1
1.
Week 0 (starting week count)
Question 2
2.
after one week
Question 3
3.
after two weeks
Question 4
4.
after 3 weeks
Question 5
5.
after 4 weeks
Question 6
6.
Graph the butterfly population.
Think carefully about how to choose a scale for the axes. Make sure that you label the axes as well.
visibility
View drawing
Question 7
7.
What is the vertical intercept of the graph?
Question 8
8.
What does it tell you about the butterfly population?
Question 9
9.
About how many weeks have passed when the butterfly population reach 50,000?
Question 18
18.
An expression...
