michel75 michel75

09-04-2019
Mathematics

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If f(x)=-2x^2+5x-3 and g(x) is the reflection of f(x) across the y-axis, then an equation of g is which of the following

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Аноним Аноним

09-04-2019

To reflect a function across the y-axis you have to change

[tex]x\mapsto -x[/tex]

So, the function becomes

[tex]f(x)=-2x^2+5x-3 \mapsto f(-x)=-2(-x)^2+5(-x)-3=-2x^2-5-3[/tex]

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