Tìm giá trị nhỏ nhất 1/A=x^2+6x+15

2/B=x^2-10x+20

3/C=4x^2-12x+15

4/D=9x^2-12+1

5/E=x^2+4x

6/F=x^2-20x

7/G=4x^2-20x

Toán 9 ạ

Asap (i need to finish this quick) graph complete the sequence of transformations that produces △x'y'z' from △xyz. a clockwise rotation ° about the origin followed by a translation units to the right and 6 units down produces δx'y'z' from δxyz.