Respuesta :

Answer:

        Range is:  {-1³/₄, -1, 2}

Step-by-step explanation:

[tex]f(x)=4^x-2\\\\f(-1)=4^{-1}-2=\frac14-2=-1\frac34\\\\f(0)=4^0-2=1-2=-1\\\\f(1)=4^1-2=4-2=2[/tex]