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5.1 Logarithmic, Exponential, and Other Transcendental Functions. The graph and some properties of y = ln x. Continuous, increasing, 1 – 1, and concave downward. ln 1 = 0 ln (ab) = ln a + ln b ln (a n ) = n ln a ln (a/b) = ln a – ln b. Expanding logarithmic expressions.
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5.1 Logarithmic, Exponential, and Other Transcendental Functions The graph and some properties of y = ln x. Continuous, increasing, 1 – 1, and concave downward • ln 1 = 0 • ln (ab) = ln a + ln b • ln (an) = n ln a • ln (a/b) = ln a – ln b
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Using logarithms to differentiate. First, take the ln of both sides. Ex. expand 1