How do I do this, really stuck
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How do I do this, really stuck

[From: ] [author: ] [Date: 11-10-30] [Hit: ]
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ln(a+b) is not the same as ln(a) + ln(b)

y = e^(2x) + 4

e^(2x) = y-4

2x = ln(y-4)

x = 0.5ln(y-4)

f^(-1)(x) = 0.5ln(x-4) x > 4

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ln(a+b) cannot be simplified. If x is in the exponent isolate e^(kx) and then take the log of whatever is on the right.

Although it is a rule that ln(ab) = ln(a)+ln(b)

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