SOLUTION: Stumped, could you help? Evaluate, when x=2 x^-1+(1/2)^x - cubed root x I got 1 + cubed root x, am I close?

Algebra ->  Square-cubic-other-roots -> SOLUTION: Stumped, could you help? Evaluate, when x=2 x^-1+(1/2)^x - cubed root x I got 1 + cubed root x, am I close?      Log On


   

Question 9040: Stumped, could you help?
Evaluate, when x=2
x^-1+(1/2)^x - cubed root x
I got 1 + cubed root x, am I close?
Answer by longjonsilver(2297) About Me  (Show Source):
You can put this solution on YOUR website!
x^-1+(1/2)^x - cubed root x

2%5E%28-1%29+%2B+%281%2F2%29%5E2+-+cbrt%282%29

1/2 + 1/4 - cbrt(2)

3/4 - cbrt(2)

use a calculator from here.

jon.