Question

For questions 1 - 2, what are the excluded functions of the function?

1.) y= 4/9x-45
2.) y= 7/2x+48

Answer 1

1.) Function of x.
`f (x) = (4x)/(9) -45`
Function of y.
`f (y) = (405)/(4) + (9y)/(4)`
2.)Function of y.
`f (y)= (7)/(2(y-48))`
Function of x.
`f (x) = (7)/(2x) + 48`