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= 5x^2 +x -5-1
= 5x^2 -x -6
b) f(x) - g(x) = (5^x -5) - (x -1)
= 5x^2 -5 - x +5
= 5x^2 -x = x (5x - 1 )
c) f(x) g(x) = (5x^2 -5) (x - 1)
= 5x^3 - 5x^2 -5x +5
d) f(x) : g(x) = 5x^2-5 / (x-1)
= 5 (x-1 ) / (x-1)
= 5
e. f(x) ° g(x) = f(g(x))
=f(x-1)
= 5(x-1) ^2 -5
=5(x^2 -2x +1) -5
= 5x^2 -10x+5-5
= 5x^2 - 10x