The growth of a red oak tree is approximated by the function G - -0.0033 + 0.139t2 + 0.459t- 0.838, 2sts 34 where G is the height of the tree (in feet) and t is its age (in years). (a) Use a graphing utility to graph the function.

Algebra & Trigonometry with Analytic Geometry
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Chapter3: Functions And Graphs
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The growth of a red oak tree is approximated by the function
G - -0.0033+ 0.139t2 + 0.459t - 0.838,
2sts 34
where G is the height of the tree (in feet) and t is its age (in years).
(a) Use a graphing utility to graph the function.
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Transcribed Image Text:urses-Blackboard Le The growth of a red oak tree is approximated by the function G - -0.0033+ 0.139t2 + 0.459t - 0.838, 2sts 34 where G is the height of the tree (in feet) and t is its age (in years). (a) Use a graphing utility to graph the function. 60 50 150 40 30 100 20 WebAssign Plot 50 10 5 10 15 20 25 30 35 5 10 15 20 30 35 G 60 50 150 40 100 30 20 25
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3.2 Hrmwk - Polynomial Functio.
DesmoCraph
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Gafollowing ognom
Midterm Grades- Select Term
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ckboard Learn
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(b) Estimate the age of the tree when it is growing most rapidly. This point is called the point of diminishing returns because the increase in size will be less with each additional year. (Round
your answer to the nearest year.)
yr
(c) Using calculus, the point of diminishing returns can be found by finding the vertex of the parabola
y = -0.009t2 + 0.278t + 0.459.
%3D
Find the vertex of this parabola. (Round your answer to two decimal places.)
(t, y) =
(d) Compare your results from parts (b) and (c).
The t-value of the vertex in part (c) is ---Select---
e the value found in part (b).
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Transcribed Image Text:A webassign.net 3.2 Hrmwk - Polynomial Functio. DesmoCraph ing Caloultor Gafollowing ognom Midterm Grades- Select Term Elucian Degree Works-Clas.. ckboard Learn Secure Cloud Access G G 60 50 150 40 100 30 20 50 10 20 WebAssign Plot 5 10 15 20 25 30 35 5. 10 15 35 (b) Estimate the age of the tree when it is growing most rapidly. This point is called the point of diminishing returns because the increase in size will be less with each additional year. (Round your answer to the nearest year.) yr (c) Using calculus, the point of diminishing returns can be found by finding the vertex of the parabola y = -0.009t2 + 0.278t + 0.459. %3D Find the vertex of this parabola. (Round your answer to two decimal places.) (t, y) = (d) Compare your results from parts (b) and (c). The t-value of the vertex in part (c) is ---Select--- e the value found in part (b). Need Help? Read It Watch It MAR 15 tv A MacBook Air
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