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