Can someone me with this or give me the answers thanx

You have the function f(x) = 0.5^x

In the table, y is basically f(x). They really should have written f(x) to be consistent.

To get the first box in the y column, plug the given x-value -3 into the equation as x.
Given equation: y = 0.5^x
y = 0.5^-3

25 inches - 0.694 yards