If f(x) = x-9 , then find f(x) - f(-x) - Maths - Polynomials

Question

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

Arthymeenakshi · Accepted Answer

Given f(x) = x - 9

f(-x) = -x - 9

Hence f(x) - f(-x) = x - 9 - (-x - 9)
= x - 9 + x + 9
= 2x

Hence the answer is 2x i hope

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