Q2. Let S = f(r) = 4m² be a function whose input (r) is the radius of a sphere (in inches) and whose output (S) is the surface area of the sphere. a) What is the domain of this function? b) Function f has the inverse. Explain why. c) Describe what f¹ does, that is explain what the inputs and outputs are in the context of the question.

Advanced Engineering Mathematics
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ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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Let S = f(r) = 4pir^2 be a function whose input (r) is the radius of a sphere (in inches) and whose output (S) is the surface area of the sphere. a What is the domain of this function? b) Function f has the inverse. Explain why. c) Describe what f does, that is explain what the inputs and outputs are in the context of the question. d) Describe, in words the meaning of f-1(200) and evaluate the value. e) Explain what it means to solve the equation f (r) = 200? f) Compare the answers to d) and e). What's your conclusion? Write it by completing the sentence f-*(200) is such a number r, that = 200 g) Based on part f) write the general statement about an inverse f-'(question is fully continued and clear in the image attached)
Q2. Let S = f(r) = 47² be a function whose input (r) is the radius of a sphere (in inches) and
whose output (S) is the surface area of the sphere.
a) What is the domain of this function?
b) Function f has the inverse. Explain why.
c) Describe what f¹ does, that is explain what the inputs and outputs are in the context
of the question.
d) Describe, in words the meaning of f-1 (200) and evaluate the value.
e) Explain what it means to solve the equation f(r) = 200?
f) Compare the answers to d) and e). What's your conclusion? Write it by completing the
sentence
f-¹(200) is such a number r, that
= 200
g) Based on part f) write the general statement about an inverse f-¹
f
is such a number r, that_
Transcribed Image Text:Q2. Let S = f(r) = 47² be a function whose input (r) is the radius of a sphere (in inches) and whose output (S) is the surface area of the sphere. a) What is the domain of this function? b) Function f has the inverse. Explain why. c) Describe what f¹ does, that is explain what the inputs and outputs are in the context of the question. d) Describe, in words the meaning of f-1 (200) and evaluate the value. e) Explain what it means to solve the equation f(r) = 200? f) Compare the answers to d) and e). What's your conclusion? Write it by completing the sentence f-¹(200) is such a number r, that = 200 g) Based on part f) write the general statement about an inverse f-¹ f is such a number r, that_
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