Rewrite the function by completing the square.
f(x)=x^2 +20x +40

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Select 2 statements that are true about the equation y+6=-10(x-3).1) the slope of the line is -102) the slope of the line is 33) one point on the line is (3,6)4) one point on the line is (3,-6)

Which of the following will form the composite function?