Answer:

Domain: 
Step-by-step explanation:
Given

Required
Determine f(x) and its domain
To determine f(x), we replace 5x with x in f(5x)
So, we have:


Take LCM



To get the domain, we set the denominator as



Answer:
its c
Step-by-step explanation:
Answer:
0.00089
Step-by-step explanation:
Answer:
40
Step-by-step explanation:
A quarter of 1600 is 400. A tenth of that is 40.
:P