Subject: logs
Question: Explain how to express y in terms of x if log3y=4log3(2X) The LN key on your scientific calculator is not working, but the ex and LOG keys are. Write directions for calculating a natural logarithm using the ex and LOG keys. Explain why these directions will get you the right answer.
Thank-you!
Hi Jennifer,
^{b} = b log(a)Using this property log3y = 4log3(2X) =log[3(2x)] ^{4}and thus 3y = [3(2x)]^{4}y = ln(x) is equivalent to e ^{y}= x. Now take the log of both sides and solve for y.
Cheers, |