Triangle DJM has vertices D(-1, 2), J(-3, 4), and M(1, 4). What are the coordinates of the image of triangle DJM after a dilation by a scale factor of 2 and then a rotation 90° counterclockwise??

44

step-by-step explanation:

multiply then divide

step-by-step explanation:

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as we don't know if g(x) is continue,

answer b

f(x)=2x²-8x+1=2(x²-4x+4)+1-8=2(x-2)²-7

vertex is (2,-7) ( a minimum since coefficient of x² is > 0)