Use f(x) = 2xa x and f-(x) = 2x to solve the problems.
f(2)=
f(1) = 1
F1F2)) =
DONE

irrational, then, just means all the numbers that aren't rational. every integer is a rational number, since each integer n can be written in the form n/1. however, numbers like 1/2, 45454737/2424242, and -3/7 are also rational, since they are fractions whose numerator and denominator are integers.

step-by-step explanation: