What is 2 to the second power plus 4 to the second power divided by 2 to the second power? please help!

Sorry guys but as you have a small brain

F(x) = 1/x g(x)=x-4 can you evaluate (g*f)(0) ? why or why not?

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.