mandy39 mandy39

29-05-2016
Mathematics

contestada

given the function(x)=5x+4, find its inverse

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Kammy1223 Kammy1223

29-05-2016

Make the function, f (x) into y. Then switch the variables y and x and solve for y : (x-4)/5

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apologiabiology apologiabiology

29-05-2016

the inverse is the reflection across the identiy line, the y=x line basically switch x and y and solve for y f(x)=5x+4 y=5x+4 swtich x=5y+4 solve for y x-4=5y (x-4)/5=y finverse=(x-4)/5

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