cross check answers:

The functions f and g are defined by f:x --- 3x+2 x all Real numbers g:x --- {6 over 2x+3} " xnotequalto -1.5

Express eacho of f^-1(x) and g^-1(x) in terms of x, and solve the equation f^-1(x)=g^-1(x).

Question

cross check answers:

The functions f and g are defined by f:x ---> 3x+2 x all Real numbers g:x ---> {6 over 2x+3} " xnotequalto -1.5

Express eacho of f^-1(x) and g^-1(x) in terms of x, and solve the equation f^-1(x)=g^-1(x).

anonymous · Answer

I got f^-1(x) = x-2 over 3=y
and g^-1(x) = {6/y}-3 over 2

anonymous · Answer

and for the equation

x= -9/2 or x=2
??

anonymous · Answer

f:x ---> 3x+2 
g:x ---> {6 over 2x+3}

experimentx · Answer

http://www.wolframalpha.com/input/?i=%286%2Fx-3%29%2F+2+%3D+%28x-2%29%2F3

anonymous · Answer

Thanks for confirmation