Evaluate the following function for the input given below:
`f(5)` when `f (x) = (x^2-3+x)/(6x-4)`.
`f(5)=` s
`g(-4.7)` when `g (x) = (-4x^2+x-4(7-x))/(8.6-4x)`.
`g(-4.7)=`
`g(m)` when `g (x) = 2/3x-7x^3+x (x+7)`.
`g(m)=`
`f(x+2)` when `f (x) = 4x^2+5x-10`.
`f(x+2)=`