Question

What is the domain of f(x) = 5x?

A. All real numbers greater than or equal to 5
B. All numbers greater than 5
C. All real numbers
D. All nonnegative real numbers

Answer 1

Answer:

probably go for option c

Answer 2

C. All real numbers. Since there isn't any restriction on the domain and the fact that this function is a linear function, it will goes to infinity in both directions.