3×+2×^2-9evaluate the expression below when x=9

Which shows the correct substitution of the values a, b and c from the equation 1=-2x+3x^2+1

Can some one explain this i got sent this. is this a threat i’m scared

Which rule describes the composition of transformations that maps ajkl to aj"k"l"? ro. 900 o to, -2(x, y) to, -20 ro, 900(x, y) ro, 9000 t-2. o(x, y) t-2, 00 ro, 900(x, y)