Question

If f(x) = x-9, then find f(x)- f(-x).​

Answer 1

Answer:

2X - 18

Step-by-step explanation:

f ( X ) = X - 9

f ( -X ) = - ( X - 9 ) = 9 - X

Subtracting both , we get

f ( X ) - f ( -X ) = X - 9 - ( 9 - X ) = 2X - 18

Follow me to get best solutions for your every doubt .