SOLUTION: The domain of the function f(x) = 2x is all Real numbers but is the Range all Real numbers? How would you get the number 3 in the Range?

Algebra ->  Quadratic Equations and Parabolas  -> Quadratic Equations Lessons -> SOLUTION: The domain of the function f(x) = 2x is all Real numbers but is the Range all Real numbers? How would you get the number 3 in the Range?       Log On


   

Question 331533: The domain of the function f(x) = 2x is all Real numbers but is the Range all Real numbers? How would you get the number 3 in the Range?
Answer by Jk22(389) About Me  (Show Source):
You can put this solution on YOUR website!
f(x)=3=2x => x=3/2 : three halves gives as output 3
3/2*2=3/2+3/2=(3+3)/2=6/2=3