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how to tell if a function is exponential decay. Then the function represents exponential decay. Y t a e kt.
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A value at the start. At first between x -7 and x -8 the value of the function changes by more than 38 MILLION. An asymptote is a value that a function will get infinitely close to but never quite.
When given a percentage of growth or decay determined the growthdecay factor by adding or subtracting the percent as a decimal from 1.
For example in the case of radioactive decay the formula would look like this. Every radioactive isotope has a half-life and the process describing the exponential decay of an isotope is called radioactive decay. The rate of decay is great at first Lets look at some values between x 8 and x 0. If the base b in an exponential function is greater than 1 b 1 then the function represents exponential growth.
