Question

Use the function below to find F(-4).F(x) = 2xO A. -16O B.1161O c.looOD. -8

Answer 1

We need to substitute the value -4 in the place of x, that is

`F(-4)=2^(-4)`

By the law of exponents, this can be rewritten as

`F(-4)=(1)/(2^4)`

which gives

`F(-4)=(1)/(16)`

which corresponds to option B