Consider the following functions: f(x)=x√3-x; g(x) = x³ - 6x² + 3; h(x)= = ²-9 I² + 1 a) Use the limit definition of the derivative to find f'(a), g'(x), and h' (1). b) Why is h continuous at x = 1? Where are f and g continuous? Use part (a). c) Find all locations where the tangent line is horizontal for f and 9. d) Find the equation for the tangent line for h at x = 1.

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
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3) Consider the following functions:
f(x)=x√3-x;
3
g(x) = x³ - 6x² + 3;
h(x) =
=
2
x² - 9
.2
x² + 1
a) Use the limit definition of the derivative to find f'(a), g'(x), and h'(1).
b) Why is h continuous at x = 1? Where are f and g continuous? Use part (a).
c) Find all locations where the tangent line is horizontal for f and g.
d) Find the equation for the tangent line for h at x = 1.
Transcribed Image Text:3) Consider the following functions: f(x)=x√3-x; 3 g(x) = x³ - 6x² + 3; h(x) = = 2 x² - 9 .2 x² + 1 a) Use the limit definition of the derivative to find f'(a), g'(x), and h'(1). b) Why is h continuous at x = 1? Where are f and g continuous? Use part (a). c) Find all locations where the tangent line is horizontal for f and g. d) Find the equation for the tangent line for h at x = 1.
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