Mathematics, 16.07.2019 10:30 eduardo2433
Me get the right answer? ! what is the value of f(x) =9^x when x=-2a. 1/81b.81c.1/18d.18
Answers: 2
. This is because when plugging in -2 for x, the expression will look like this: 
. To make the exponent positive, you have to flip it into a fraction. Then it will be 
. Lastly, you simplify the denominator into 81.
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