Post a New Question

Pre Cal/Logarithism

posted by .

given that f(x)=11^x, find x when f(x)=7
a) x=Ln(7/11)
b) x=Ln7/Ln11
c) x= 7/11
d) x= ll sub 7 11

  • Pre Cal/Logarithism -

    so you solving:
    11^x = 7
    take ln of both sides

    ln(11^x) = ln7
    x(ln11) = ln7
    x = ln7/ln11

Answer This Question

First Name
School Subject
Your Answer

Related Questions

More Related Questions

Post a New Question