The solution for x = ln 3 / 7 , Option A is the correct answer.
What are Exponents ?
When the base number is raised by a number , the number it is raise by is called Exponent .
The expression given is
150 = 50 [tex]\rm e^{7x}[/tex]
150/50 = [tex]\rm e^{7x}[/tex]
3 = [tex]\rm e^{7x}[/tex]
Applying logarithm on both sides
ln 3 = 7x
x = ln 3 / 7
Therefore Option A is the correct answer.
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