Question

y = f(x) = 4^x
Find f(x) when x = -1.
Express as a decimal, rounding to the nearest thousandth.

Answer 1

4^-1=1/4 so f(x)=0.25

Answer 2

but if you want to round it to the nearest thousandths, it should be 0.250, i guess.

Answer 3

its 0.250. thanks so much :)