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Mathematics

Answered

Given that Fx)=x2-4 and g(x) = 1- x, find (f - g)(2), if it exists.

Answer :

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Replace x with 2 in each equation, then subtract g from f:

f(x) = x^2 -4 = 2^2 -4 = 4-4 = 0

g(x) = 1-x = 1-2 = -1

f-g = 0 - -1 = 1

The answer is 1

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