I need help with this please ​

The table represents a function f(x). what is f(3)? a.-9 b.-1 c.1 d.9

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

Find the solution(s) to the system of equations. select all that apply y=x^2-1 y=2x-2