Question

how do I find the domain and range of f(X) = 2 / (5-2x)?

Answer 1

for finding the domain, you need to find the set of values of x for which the f(x) will be > 0

since x is in denominator 5-2x>0 always be for the function to exist.

2x<5

x<5/2

hence the domain for the function is (-infinity,5/2)

Answer 2

Would the range be -inf, pos inf ?

Answer 3

the range will be the values of f(x) for the values of x...

Answer 4

I don't understand..