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wonder
If f(x) = x2 − 2x + 9 and g(x) = 8 − x, what is (f o g)(−4)?
fog(x)=f(g(x)) =f(8-x) =(8-x)^2-2(8-x)+9 =(64+x2-16x)-16+2x+9 =x2-14x+57 now fog(-4)= put the value of x as -4...
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