4. Given the function f(r) = Vr – 2, (a) What can we say about f'(2)? f'(0)? ƒ'(4)? (b) Why are we allowed to say f'(x) = .5(r – 2)(-5), based on your results from part (a)? (c) Find the equation of the line tangent to the curve at r = 6.

Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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4. Given the function
f (x) = Vx – 2,
(a) What can we say about f'(2)? f'(0)? f'(4)?
(b) Why are we allowed to say f"(a) = .5(x – 2)(-5), based on your results from
part (a)?
(c) Find the equation of the line tangent to the curve at r = 6.
(d) Find the equation of the line normal to the curve at x = 6.
(e) Why might we be interested in normal lines in disciplines outside of mathe-
matics? You should be able to list three distinct reasons.
Transcribed Image Text:4. Given the function f (x) = Vx – 2, (a) What can we say about f'(2)? f'(0)? f'(4)? (b) Why are we allowed to say f"(a) = .5(x – 2)(-5), based on your results from part (a)? (c) Find the equation of the line tangent to the curve at r = 6. (d) Find the equation of the line normal to the curve at x = 6. (e) Why might we be interested in normal lines in disciplines outside of mathe- matics? You should be able to list three distinct reasons.
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