MA129 Lecture Notes - Lecture 8: 32X
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Example: solve 18 3 x = 32x + 1. Since they have the same base, we can equate the exponents, and solve for. Looking at the table we can see that. Knowing this we can ask and answer things like. = 1 y = f (x) f (0) 2x = 1 = 24 therefore, x = 4. Since it is difficult to find an exponent in which a base of 2 will equal 129, we need an. This undoing of exponential function is a logarithm. , we need a log function with a base of 2. x. , you can create the coordinates for the logarithm function. 3 y = loga x where a > 0. January 23, 2019 x which is equal to ay = x does not have a base, it usually has a base of 10 ( ogl. What is the exponent on 10 that gives 1000? (dr. allison)
