10. Let f(x) = (x² – 4)/(x – 3)³ = (x + 2)(x – 2)/(x – 3)³ %3D |

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter4: Polynomial And Rational Functions
Section4.5: Rational Functions
Problem 48E
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c. This function has critical points at –3 + v21 and –3 – V21 (that's about 1.6 and -7.6), and
the first derivative doesn't exist at x = 3, where the function is undefined. The first
derivative is negative for x less than the smaller of the critical points, positive between
the two critical points, negative between the larger of the critical points and the undefined
point, and negative for x greater than the undefined point. Identify the regions where the
function is increasing and the regions where the function is decreasing.
d. Identify all relative (local) maxima and minima (x coordinate only);
Transcribed Image Text:c. This function has critical points at –3 + v21 and –3 – V21 (that's about 1.6 and -7.6), and the first derivative doesn't exist at x = 3, where the function is undefined. The first derivative is negative for x less than the smaller of the critical points, positive between the two critical points, negative between the larger of the critical points and the undefined point, and negative for x greater than the undefined point. Identify the regions where the function is increasing and the regions where the function is decreasing. d. Identify all relative (local) maxima and minima (x coordinate only);
10. Let f(x) = (x² – 4)/(x – 3)³ = (x + 2)(x – 2)/(x – 3)³
|
Transcribed Image Text:10. Let f(x) = (x² – 4)/(x – 3)³ = (x + 2)(x – 2)/(x – 3)³ |
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