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Advanced Mathematics 3207 (delisted)
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Unit 03
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Set 01 ILO 02
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Summary
Investigation 2: Graphs of Quadratic Functions and Their Reciprocals
f
(
x
) =
x
2
-1 and
The zeros of
f
(
x
) correspond to the vertical asymptotes of
. What are the equations of these asymptotes?
Large absolute values of
f
(
x
) correspond to small absolute values of
, and vice versa.
The graphs of
f
(
x
) and
intersect when y =
1.
Why does the value of
g
(
x
) change sign at each asymptote? Why wasn't this the case for the pair of functions y = x
2
and
?
Given
f
(
x
) =
x
2
+ 1 and
Why is it that the graph of
g
(
x
) has no vertical asymptotes?
At what y-value do the two graphs intersect?
When the absolute-value of
f
(
x
) becomes large, what happens to the corresponding absolute-value of
?
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