Define a SCHEME function, named (D+ f h), which uses the formula for the Forward Difference to approximate the derivative of a given function f , using h as the value for ∆x. Note, your function should return a function of one argument, x, that approximates the derivative of f at x (i. e f 0 (x)).

When converting the erd to a table design, how should you handle the assignedto relationship? (be sure to include a discussion of primary keys, foreign keys, and tables in your answer.)11. true/false projectid will be a foreign key in the employees table to reflect the “manages” relationship.12. after converting the erd to a table design, what fields will be present in the contracts