Would u date my smegggsy doggy? :)

Aword processing program requires a 7- digit registration code made up of the digits 1,2,4,5,6,7 and 9 each number has to be used and no number can be used mor than once how many codes are possible

What is the solution to the equation e3x=12? round your answer to the nearest hundredth

Let f(x) = 5/x and g(x)=2x2+5x. what two numbers are not in the domain of f o g