If fx) = 5x - 2 and gx) = 2x + 1, find (f + g) (x).

Me with this one question, and i'll upvote the brainliest answer

How does a low unemployment rate affect a nation's economy? a. the nation has a higher number of productive resources. b. the nation can spend more money on for unemployed people. c. the nation can save money by paying lower salaries to a large workforce. reset

How can you tell when x and y are not directly proportional?