Question

if f(x)=2x+5 then f(x)+f(-x)=?
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Answer 1

Step-by-step explanation:

f(x) = 2x+5

f(-x) = -2x +5

f(x) + f(-x) = 2x + 5 - 2x +5

= 10

Answer 2

Answer:

Please refer to the image given

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