Are these functions equal?
57938
When do two functions become equal?
36989
Determining functions from specifications...
11813
Injective functions also surjective?
3528
How to check if a variable is the same as at least one of two other variables?
26677
thoughts about $f(f(x))=e^x$
121218
Is this function a metric?
149789
Using a function in two different ways
71500
Is the product of generators equal to the generator of the product?
49409
Are all of the following statements equivalent? (vectors and matrices)
59063
$f(f(x))=f(x)$ question
97146
differentiate with respect to a function
17037
When are "if" and "whether" equivalent?
108528
How to compare functions?
156536
Defining functions as derivatives
145781
Is the collection of all functions between two sets a set?
6482
Why aren't the functions $f(x) = \frac{x-1}{x-1}$ and $f(x) = 1$ the same?
97659
Am I on the right track to proving this statement about composite function?