Question

The domain of the function f(x)=25/10x-20 is all rea numbers x excpet

Answer 1

Explanation:

f(x) = 25 / (10x -20)

When 10x - 20 = 0, f(x) is undefined. Therefore x = 2 is not in the domain for f(x) to be a function.

Answer = 2.