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March 28, 2017

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Can someone tell me this is right?

Look for the domain.

f(x)=log(sub3)(5x+1)
5x+1<=0
(5x/5)<=(-1/5)
x<=(-1/5)
x>(-1/5)
(-1/5,oo) -domain

  • Math - ,

    yes, x > -1/5

  • Math - ,

    Thank-you!

  • Math - ,

    actually your second line should have said

    5x+1 > 0

    I just looked at your answer.

  • Math - ,

    Do I need to change it in each line after the second line?

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