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M3-020-A14-V04
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F-BF.4.a
Warmup
M3-020-A14-V04
Find inverse functions for simple invertible functions, including rational examples.
Match inverse formulas to reflected graph features
Problem
For \(f(x)~=~\log_{3}(x~+~4)~-~2\) and \(f^{-1}(x)~=~3^{x~+~2}~-~4\), reflect the asymptote and point \((-3,~-2)\), then state how the original domain becomes the inverse range.
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A
Features: original vertical asymptote x=−4 reflects to inverse horizontal asymptote y=−4, and point (−3,−2) reflects to (−2,−3). Sets: original domain (−4,∞) becomes inverse range (−4,∞).
B
Features: original vertical asymptote x=−4 reflects to inverse horizontal asymptote y=−4, and point (−3,−2) reflects to (−2,−3). Sets: original domain (−4,∞) is copied as inverse domain instead of inverse range.
C
Features: original vertical asymptote x=−4 remains inverse vertical asymptote x=−4, while point (−3,−2) reflects to (−2,−3). Sets: original domain (−4,∞) remains an input domain rather than inverse range.
D
Features: original vertical asymptote x=−4 reflects to inverse horizontal asymptote y=−4, while point (−3,−2) remains (−3,−2). Sets: original domain (−4,∞) correctly becomes inverse range (−4,∞).
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Curriculum context
Standard F-BF.4.a
Category Functions
Domain Building Functions
Objective Find inverse functions for simple invertible functions, including rational examples.
Problem type Match inverse formulas to reflected graph features