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AP Calculus AB. Day 9 Section 3.6. Include intercepts, asymptotes, extrema, inflection points, and intervals of concavity. What’s the difference between f(x) and g(x)?. Compare to. The abs val makes all the negative parts of g(x) reflect above the x-axis. Sketch. Rel min at (3, -4). - PowerPoint PPT Presentation
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04/19/23 Perkins
AP Calculus AB
Day 9Section 3.6
Sketch 2 6 5f x x x
crit #'s: 3x
Include intercepts, asymptotes, extrema, inflection points, and intervals of concavity.
crit #'s: none
2 6 5g x x x Compare to What’s the difference between f(x) and g(x)?The abs val makes all the negative parts of g(x) reflect above the x-axis.
' 2 6g x x
'' 2g x
x-int y-int
5y 2 6 5 0x x 5 1 0x x
1, 5x
Parabola opening upward (no asymptotes)
Always concave up
Rel min at (3, -4)
10
5
-5
-10
-10 10
g(x)
10
5
-5
-10
-10 10
2 6 5f x x x 2 6 5g x x x x-int: x = 1 and 5
y-int: y = 5
conc up ,1 and 5,
Rel min at (1, 0)
Rel min at (5, 0)
Inf pts at (1, 0) and (5, 0)
Rel max at (3, 4)
conc down 1,5
f(x)
Perkins
AP Calculus AB
Day 9Section 3.6
Sketch 2 6 5f x x x
Include intercepts, asymptotes, extrema, inflection points, and intervals of concavity.
10
5
-5
-10
-10 10
10
5
-5
-10
-10 10