What is the sub-reference function, f'(x), for the function f(x)=-5(x+3)2-4 (the function that handles the non-rigid...

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What is the "sub-reference" function, f'(x), for the function f(x)=-5(x+3)2-4 (the function that handles the non-rigid transformation of the parabola, first)? O f'(x)=-5x2 1'(x) = x O f'(x)=5(x+3)2 O f'(x)=-(x+3)2 What is the "sub-reference" function, f'(x), for the function f(x)=-5(x+3)2-4 (the function that handles the non-rigid transformation of the parabola, first)? O f'(x)=-5x2 1'(x) = x O f'(x)=5(x+3)2 O f'(x)=-(x+3)2