Suppose that x>0 we have f(2x)= 5/(2+x). What is 2f(x)?
1 Answer
Jun 2, 2017
Explanation:
If
#f(x) = f(1/2(2x))= 5/(2+1/2x) = 5/(2+1/2x)*2/2 = 10/(4+x)#
Therefore:
#2f(x) = 2*10/(4+x) = 20/(4+x)#
Final Answer
