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3 votes
Evaluate the function rule for the given rule. f(x)=3^x for x=-5 PLEASE HELP

User Jevakallio
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2 Answers

5 votes
I believe you would just substitute -5 for x.
So
f(x)=3^-5
and you would get f(x)=0.0041
which you can round to f(x)=0.004

User Volingas
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4 votes
f(x) = 3^-5 would equal 1/243x if you’re solving for X, however it would equal 1/243f if you’re solving for F!

Hope this helps :)
User Kaspatoo
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