Ερωτήσεις Θεωρίας

What do we call a real function with domain A?

What is called the set of values of a function f with domain A?

What do we call the graphical representation of a function?

How does the graphical representation of the functions f and -f arise with the help of the graphical representation of f?

When are two functions f and g equal?

How are the operations of functions defined?

• Sum fg +

• Difference fg -

• Product fg

• Quotient f/g

What do we call the composition of f?

What do we call the composition of f with g?

When is a function said to be strictly increasing, strictly decreasing, and strictly monotonic in an interval Δ of its domain?

When do we say that a function has a maximum and when a minimum?

• When it has a global maximum at a point

• When it has a global minimum at a point

• When it is increasing

• When it is decreasing