Can anyone help me with the rest of my ixl m.1 please and thank you

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

Elena is paid a constant rate for each hour she works. the table shows the amounts of money that elena earned for various amounts of time that she worked.

Noel is hoping to make a profit (in $) on the school play and has determined the function describing the profit to be f(t) = 8t – 2654, where t is the number of tickets sold. what does the number 8 tell you?