Use f(x) = 1 2
x and f -1(x) = 2x to solve the problems.

f(2) =
1

f−1(1) =
2

f−1(f(2)) =
2

f−1(−2) =

f(−4) =

f(f−1(−2)) =

How do you find p(a and b) if a and b are independent events for two or more actions, such as tossing a coin twice and finding p(heads and heads)? 2. how do you find p(a or b) if a and b are independent events for one action, such as spinning a four-color spinner once and finding p(red or blue)?