For which function is f(x) equal to f^-1(x)? a) f(x)=x+6/x-6 b)f(x)=x+2/x-2 c)f(x)=x+1/x-1 d)f(x)=x+5/x-5

Can someone me and plz do the problem

Barbara deposited $300 in the bank. if the bank pays her simple interest at the rate of 4 percent per year, how much money will she have in her account at the end of 9 months?

Labc is reflected across x = 1 and y = -3. what are the coordinates of the reflection image of a after both reflections?