Question

Y= f(x) = (-4)^x find f(x) when x = -3

Answer 1

`y=f(x)=(-4)^(x)`

substitute the value of x = -3 to the equation:


`y=f(-3)=(-4)^(-3)=\left(-(1)/(4)\right)^3=-(1^3)/(4^3)=-(1)/(64)`