It cannot be simplified more than that. hope this helps!
Derivative Functions
The derivative function gives the derivative of a function at each point in the domain of the original function for which the derivative is defined. We can formally define a derivative function as follows.
Definition:
let f be a function. The derivative function, denoted by f', is the function whose domain consists of those values of x such that the following limit exists:

Answer:
It helps form the right angle = FALSE
Step-by-step explanation:
The legs form the angle
Answer: A(b+c)
Step-by-step explanation: Since you're multiplying A and A you would add the B+C