Philip P. answered 03/05/21
Affordable, Experienced, and Patient Algebra Tutor
f(x) = 5x-1
Just plug the given values of x into the above equation and compute the answer. I'll do the first two for you. You can complete the rest.
x f(x)
-2 5-2-1 = 5-3 = 1/53 = 1/5·5·5 = 1/125
-1 5-1-1 = 5-2 = 1/52 = 1/5·5 = 1/25