SOLUTION: If f(x)=a^x and f(3)=27, find each value of f(x): f(-1) acrown1@umbc.edu

Algebra ->  Algebra  -> Equations -> SOLUTION: If f(x)=a^x and f(3)=27, find each value of f(x): f(-1) acrown1@umbc.edu      Log On

Ad: Algebrator™ solves your algebra problems and provides step-by-step explanations!
Ad: Algebra Solved!™: algebra software solves algebra homework problems with step-by-step help!

   

Question 44806: If f(x)=a^x and f(3)=27, find each value of f(x):
f(-1)
acrown1@umbc.edu
Answer by stanbon(48535) About Me  (Show Source):
You can put this solution on YOUR website!
If f(x)=a^x and f(3)=27, find each value of f(x):
If f(3)=27 then f(3)=a^3=27
Then a=3
So the equation is f(x)=3^x
Then f(-1)=3^(-1)= 1/3
Cheers,
Stan H.