If f(x) = x2 and g(x) = x - 3, then g(f(x)) = ?

How can i differentiate this equation?

The elmina wilson company produces spaghetti sauce that is used in restaurants. the fixed costs total $1,329,050. the selling price per 64 oz. can of sauce is $12.40. the variable cost per can is $4.80. what is the break-even point in number of cans?

Allen wants to buy a hover board that sells for $249.99 and a helmet that is $36.54. how much change will allen receive if he gives the cashier three $100.00 bills?