remidia
Solve the equation ln(x + 1)  ln(9) = ln(4) + ln(x  3) for x.
A) 2.86
B) 3.11
C) 3.36
D) 3.61
E) 3.86



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inik
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use properties of ln:
ln((x+1)/9)=ln(4*(x3))
so,
(x+1)/9 = 4*(x3)
simplify & solve for x

aama100
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x = 13/4

aama100
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= 3.25

remidia
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which is none of the answers D:

aama100
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I got my equation wrong and didn't look at the options first

remidia
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I got it, its 3.11 :) thanks for the help!