Find the domain and range of the following function f (x) = 51x - 21 + 4

All linear functions have domain and range all real numbers.*

*Did you really mean to write f (x) = 5x-21+4

Seems weird the - 21+4 thing but okay ...

Step-by-step explanation:

Looks like you have a line

f (x) = 51x-17

All linear functions have domain and range all real numbers.

The only time a line will not be a function is if you have a vertical line.

Y = 51x - 21 + 4

Y = 51x-17

Domain are all real numbers same as Range