Giving brainliest or what ever it’s called to who can solve this for me

What could explain what happened when the time was equal to 120 minutes

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

Aretha wanted to gather data about the cost of local bowling leagues in her area. she plotted the data and determined that the average bowling league costs consist of a one-time registration fee and a monthly fee modeled by the equation y = 15x + 20. identify and interpret the y-intercept in this model. the y-intercept is 20. this is the cost per month. the y-intercept is 20. this is the cost of registration. the y-intercept is 15. this is the cost of registration. the y-intercept is 15. this is the cost per month.