Answer:
letter d I am not sure about that
Answer:
commutative property
Step-by-step explanation:
The commutative property basically states that a+b=b+a and a*b=b*a
Answer:

Step-by-step explanation:
The given function is

To find the inverse of this function, we interchange x and y.

we now solve for y.

Take the sine inverse of both sides to obtain;

Hence the inverse of the given function is;

where 
The coefficients are the numbers next to the variable.
11r :- The coefficient is 11
7s :- The coefficient is 7