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 
Answer:
54m-36n
Step-by-step explanation:
9·6m= 54m
9·(-4n)= -36n
54m-36n
Step-by-step explanation:
Considering speed of Noha = 4miles per hour
and speed of andrew = 2 miles/hour
The distance between Noha and andrew = 15 miles
Case 1: when they are travelling towards each other( opposite direction)
Then their relative speed becomes = 4+2 = 6miles/hour
Time taken to meet = Distance/relative speed = 15/6 = 2.5 hours
Case2: When they are travelling same direction
Then their relative speed becomes = 4-2 = 2 miles/hour
Time taken to meet = Distance/ relative speed = 15/2 = 7.5 hours
I think it’s B. You wouldn’t have to multiply since it’s only adding or subtracting, and you don’t add exponents when you’re adding monomials.
