What is the approximate value of f(x)=((2-x)/(2+x))^(1/5) at x=0.15?

1 Answer
May 31, 2018

f(0.15) ~~ 0.97

Explanation:

f(x) =((2-x)/(2+x))^(1/5)

f(0.15) =((2-0.15)/(2+0.15))^(1/5) or

f(0.15) =(1.85/(2.15))^(1/5) or

f(0.15) ~~(0.86)^(1/5) ~~ 0.97 (2 dp)

f(0.15) ~~ 0.97 (2 dp) [Ans]