Question

If f (x) = x - 5 , then f (x) + f (- x) is equal to .​

Answer 1

Answer:

f(x) =x-5

f(-x)= (-x-5)

f(x)+f(-x)=x-5-x-5

=-10

Answer 2

Answer:

Step-by-step explanation:

f(x)= x-5

f(-x)=   -(x-5)

f(x) + f(-x) =  x - 5 + [ -( x-5) ]

                =  x - 5 - x + 5

               = 0

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