Question

Y = f(x) = 4^X

Find f(x) when x = -2.
Express as a decimal, rounding to the nearest
thousandth.

Answer 1

0.063 to the nearest thousandth.

Explanation:

f(x) = 4^x so:

f(-2) = 4^-2

= 1 / 4^2

= 1/16

= 0.0625.