if f(x)=x-7 then
Find the value of f(x)-f(-x).
Answers
Answered by
5
Answer:
f(x)= x-7 and f(-x)= -x -7
Step-by-step explanation:
f(x) - f(-x) = x-7-(-x-7)
= x-7+x+7
= 2x
Hope it helps.
Answered by
2
Answer:
0
Step-by-step explanation:
x=-7
Therefore,
f(x)-f(x)
=f(-7)-f(-7)
=(-7f)-(-7f)
=-7f+7f
=0
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