SOLUTION: Let f(x)=x^3. What is f(1/2)?

Algebra ->  Functions -> SOLUTION: Let f(x)=x^3. What is f(1/2)?      Log On


   



Question 121209: Let f(x)=x^3. What is f(1/2)?
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
f%28x%29=x%5E3 Start with the given function


f%281%2F2%29=%281%2F2%29%5E3 Plug in x=1%2F2



f%281%2F2%29=1%5E3%2F2%5E3 Distribute the exponent


f%281%2F2%29=1%2F8 Raise 1 to the third power to get 1. Raise 2 to the third power to get 8.


----------------------
Answer:


So f%281%2F2%29=1%2F8