Answer:
f(- 2) = [tex]\frac{1}{8}[/tex]
Step-by-step explanation:
To find f(- 2) substitute x = - 2 into f(x) , that is
f(- 2) = 2 [tex](4)^{-2}[/tex] = 2 × [tex]\frac{1}{4^2}[/tex] = 2 × [tex]\frac{1}{16}[/tex] = [tex]\frac{2}{16}[/tex] = [tex]\frac{1}{8}[/tex]
