modeling exponential growth

hey. the directions say identify the initial amount "a" and the growth factor "b" in each exponential function. i've looked at the examples given and i still don't understand. the first problem is
g(x)=20x2^x
or g(x) equals twenty times two to the "x" power....

i have no idea how to do this... please help me!!!

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  1. I don't know either! In my book it's the same problem, but with a fourteen instead of a twenty. I've looked at the lesson explanation and I'm LOST! Please let me know how to do it- I assume you've figured it out in these past seven years- unless you're not looking at this anymore...

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