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OpenStudy (korosh23):
PRE_CALCULUS 12 QUESTION! If I have y=-3f(x) a= 3 and reflection in the x-axis I know that a=3 , but can we say a=-3 because of the reflection?
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OpenStudy (irishboy123):
what is a ?? it's 3 but what actually is it doing?
OpenStudy (korosh23):
a represents the vertical stretch which in this case is by the factor of 3
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