Can someone help me find the answer?

4. find the geometric mean of 4 and 12. 24 8

What is the graph of the function fx x+2/x-3?

The graph of f(x) is obtained by reflecting the graph of f(x)=-3|x| over the x-axis. which equation describes f(x)? a) f(x)=3|x| b) f(x)=|x+3| c) f(x)=-3|x| d) f(x) = - |x+3|