Question

plzzzzzzzzz solution
if f(x)= x-9 then find f(x)-f(-x)...
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Answer 1

Answer:

heya mate there's your answer

f(x)=x-9

f(-x)=-x-9

f(x)-f(-x)=(x-9)-(-x-9)

=x-9+x+9

=2x

hope it helps you........

Thank you!!