Question

I need help please i will give medal! Find the domain of the function.

f(x) = -2x + 4
A. (-∞, 0) (0, ∞)
B. (-∞, ∞)
C. [-4, ∞)
D. (0, ∞)

Answer 1

@ShailKumar please help

Answer 2

@amistre64 @abb0t

Answer 3

thank you can you guys help with more

Answer 4

one way to find the domain is to see if the function has an inverse; if it does, the range of the inverse is the domain.

Answer 5

the more logical method is to simply assume its all real numbers and then pull out any values that make for bad mathing.

Answer 6

Thank you @amistre64