If my domain is 0 and my range is 16 how is that a function? (if it were a real world problem)

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

Extra points! find the missing dimension! need asap

What value is a discontinuity of x squared plus 8 x plus 4, all over x squared minus x minus 6?