Answer:

Step-by-step explanation:
The expression (t•s)(x) means t(s(x)) or t of s of x. It means to substitute s(x) into the equation for t(x).

I believe the answer you are looking for would be C.
Answer:
A
Step-by-step explanation:
Domain the "input" to the function, range is the "output" of the function.
Answer:
3.14 million
Step-by-step explanation:
10.676 - 7.536 = 3.14
To check
7.536 + 3.14 = 10.676