If f(x) = 3x+2 and g(x)=x^2+1, which expression is equivalent to (f *g)(x)=x? a. (3x+2)(x^2+1) b. 3x^2 +1+2 c. (3x+2)^2 + 1 d. 3(x^2+1)+2

Ebuka's monthly rent is $750. if ebuka pays the rent late, his landlord charges 4% interest per week that the payment is late. write a function that gives the total cost r(t), in dollars, of ebuka's rent if he pays it t weeks late.