Question

Verify that f and g are inverse functions.
f(x)= 2x + 5
g(x)= x -5/ 2

Answer 1

plug y into one of the equations, if it comes out identical to the other then theyre reverse functions

Answer 2

basically just choose any one of the two equations and switch y and x around

Answer 3

It is said, "I don't see a "y""
Maybe f(x) is y.
If so y=2x+5 Now switch the y and x
x=2y+5
2y=x-5
y=x/2 - 5/2 I don't know, but that don't look the same as g(x)

Answer 4

Maybe, I chose the wrong equation, lets look at the other one
g(x) = x -5/2
y=x-5/2
x=y-5/2
y=x+5/2 doesn't look like 2x+5. Don't think they are inverse functions.