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how do you write an exponential equation. To do this we simply need to remember the following exponent property. Given the graph of an exponential function write its equation.
Writing Exponential Equations Given Two Points Equations Exponential Teaching from www.pinterest.com
Rewrite logbx y as b yx. Choose the y -intercept as one of the two points whenever possible. To get to the 0 point you have to go backwards from 1 so the opposite of multiplying by 2 is to divide by 2 so the point would be 032.
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The same concept applies of using the 2 points and substituting one point into the equation first and then into the other STILL REMAINS. Write exponential functions of the basic form fxarˣ either when given a table with two input-output pairs or when given the graph of the function. Examine the equation y logbx y l o g b x and identify b y and x. Using this gives 2 2 5 9 x 2 3 x 2 2 2 5 9 x 2 3 x 2 So we now have the same base and each base has a single exponent on it so we can set the exponents equal.
