SOLUTION: Suppose f(x)=2x+5. Find the value if -2f(x+1) It doesn't make any sense on how to solve.

Algebra ->  Rational-functions -> SOLUTION: Suppose f(x)=2x+5. Find the value if -2f(x+1) It doesn't make any sense on how to solve.      Log On


   

Question 493036: Suppose f(x)=2x+5. Find the value if -2f(x+1)
It doesn't make any sense on how to solve.
Answer by Gogonati(855) About Me  (Show Source):
You can put this solution on YOUR website!
-2f(x+1)=-2[2(x+1)+5]=-2(2x+7)=-4x-14