30 points and mark as

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

Which term below correctly completes the following sentence? if a function has a vertical asymptote at a certain x value, then the function is what at that value

When i'm with my factor 5, my prodect is 20 .when i'm with my addend 6' my sum is 10.what number am i