SOLUTION: Evaluate the function. given that f(x) = sqrt -9x , find f(-k). A) sqrt kx B) sqrt 9k C) sqrt -9k D) sqrt -kx

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Question 201558: Evaluate the function.
given that f(x) = sqrt -9x , find f(-k).
A) sqrt kx
B) sqrt 9k
C) sqrt -9k
D) sqrt -kx
Answer by jsmallt9(3758)   (Show Source): You can put this solution on YOUR website!
In general, if you know f(x) then to find f(anything) you
  1. replace all instances of x in f(x) with anything surrounded by parentheses
  2. simplfy


For your




and last but not least:
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