Question

Whats the range of the function (x)=4^x-2 when the domain is {-1,0,2}?

Answer 1

Range is: {-1³/₄, -1, 2}

Explanation:

`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`