Fill in the table of values for the function (fx)=3(2)^x

On a string instrument, the length of a string varies inversely as the frequency of its vibrations. an 11-inch string has a frequency of 400 cylces per second. find the frequency of a 10-icnch string.

[10 points, algebra 2]according to my answer key the restrictions are -1 and 4. but why not positive 1?

What is the solution to the system of equation graphed belowa.(0,-4)b.(2,5),1),-3)