\( \definecolor{colordef}{RGB}{249,49,84} \definecolor{colorprop}{RGB}{18,102,241} \)
For \(f(x)=\left(\frac{1}{2}\right)^{x}\), evaluate:
  1. \(f(-2)=\)
  2. \(f(-1)=\)
  3. \(f(0)=\)
  4. \(f(1)=\)