Question 1173750
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Hi,
Let f(x) ={{{ 2-x^2}}}                    |Note: the use of ^ for squared
f(x+1) = 2 -(x+1)^2 = 2 -(x^2+2x + 1) = 1 -x^2 - 2x
f(x)+f(1) = 2-x^2 + 1        {{{f(1) = 2 - 1 = 1}}}
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