Needing answers to this whole Worksheet. Thanks! Giving Brainliest and more!

Given f(x)= 9x+1 and g(x)=x^3, choose the expression (f*g)(x)

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

Me. i can't figure out this question. give an explanation too. .