exam Maths Puzzle Numerical Ability

I keep trying to study it and figure it out, but I just am not getting it. I'm just wondering if you can explain the concept of finding the domain and range to me. For example: g

Read Solution (Total 0)

exam Other Question

Take home quizz
Given the function f and g,find the requested function and state its domain
f(x)=sq rt symbol x+11
g(x)=4/x
find f.g

Thanks for your gererous help as always!
You go 50 km West, then 20 km North. How many km are you from where you started?

Can someone explain to me how to slove this question please and thank you.