anonymous
  • anonymous
(FAN AND MEDAL) help please! A scientist is studying the growth of a particular species of plant. He writes the following equation to show the height of the plant f(n), in cm, after n days: f(n) = 8(1.05)n Part A: When the scientist concluded his study, the height of the plant was approximately 11.26 cm. What is a reasonable domain to plot the growth function? (4 points) Part B: What does the y-intercept of the graph of the function f(n) represent? (2 points) Part C: What is the average rate of change of the function f(n) from n = 2 to n = 6, and what does it represent? (4 points)
Mathematics
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anonymous
  • anonymous
(FAN AND MEDAL) help please! A scientist is studying the growth of a particular species of plant. He writes the following equation to show the height of the plant f(n), in cm, after n days: f(n) = 8(1.05)n Part A: When the scientist concluded his study, the height of the plant was approximately 11.26 cm. What is a reasonable domain to plot the growth function? (4 points) Part B: What does the y-intercept of the graph of the function f(n) represent? (2 points) Part C: What is the average rate of change of the function f(n) from n = 2 to n = 6, and what does it represent? (4 points)
Mathematics
schrodinger
  • schrodinger
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
At vero eos et accusamus et iusto odio dignissimos ducimus qui blanditiis praesentium voluptatum deleniti atque corrupti quos dolores et quas molestias excepturi sint occaecati cupiditate non provident, similique sunt in culpa qui officia deserunt mollitia animi, id est laborum et dolorum fuga. Et harum quidem rerum facilis est et expedita distinctio. Nam libero tempore, cum soluta nobis est eligendi optio cumque nihil impedit quo minus id quod maxime placeat facere possimus, omnis voluptas assumenda est, omnis dolor repellendus. Itaque earum rerum hic tenetur a sapiente delectus, ut aut reiciendis voluptatibus maiores alias consequatur aut perferendis doloribus asperiores repellat.

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anonymous
  • anonymous
ali2x2
  • ali2x2
@heretohelpalways Of course it would xD
ali2x2
  • ali2x2
k

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ali2x2
  • ali2x2
Are you still there?
anonymous
  • anonymous
i need help ?
ali2x2
  • ali2x2
Ok
ali2x2
  • ali2x2
well review this and the explanations
ali2x2
  • ali2x2
Part A: Domain will be talking about the values of n. Now when we solve for f(n) = 11.26 we get 7.005... so a reasonable range to plot the graph would be from n = 0 to 8 Part B: The y-intercept is the point where n = 0. But n represents the number of days, i.e. time elapsed. So at n = 0 the point represents the initial reading. Part C: At n = 2, f(2) = 8*(1.05)^2 = 8.82 At n = 6, f(6) = 8*(1.05)^6 = 10.72 The average rate of change is (change in height)/(change in n) The change in height is 10.72 - 8.82 = 1.9 The change in n is 6 - 2 = 4 So the average rate of change is 1.9/4 = 0.475 But what is the average rate of change? It is the average daily (because a single change in n corresponds to a day) growth of the plant (because f(n) represents height) Enjoy :)
anonymous
  • anonymous
thats the answers?
ali2x2
  • ali2x2
yes
ali2x2
  • ali2x2
You there?
anonymous
  • anonymous
yes, i just ant to make sure, because this work value 30 pts
ali2x2
  • ali2x2
keystone? what grade are you in?
ali2x2
  • ali2x2
im curious
anonymous
  • anonymous
now, im 10
ali2x2
  • ali2x2
Ok :P
anonymous
  • anonymous
u know somebody how can check the answers?
ali2x2
  • ali2x2
well here us this for reviews as well openstudy.com/study#/updates/54047052e4b0f2ed1e143b0f could be useful
anonymous
  • anonymous
ok thank you!!!
ali2x2
  • ali2x2
No prob :)
ali2x2
  • ali2x2
You can close this question after your done giving me a fan and medal AHEM i mean getting your answers :P

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