1 point 1) Choose each quadratic function that would help you find the vertex.
(A) y = x2 - 4x + 7
(B) y = (x - 4) (x + 2)
(C) y = (x + 5) (x - 1)
(D) y = (x + 5)2 + 2
(E) y = x2 - 6
(F) y = – x2 + 2x + 3
(G) y = (x – 3)2 – 8
(H) y = (x - 8) (x + 9)
HELP PLEASE

Larger pets need to be transported in larger portable kennels. using a graphing calculator and the relationship between the width, length, and height, find the dimensions of a portable kennel whose volume is 7.4 ft3. the dimensions of a portable kennel can be expressed as width x, length x + 0.4, and height x − 0.2? what are the dimensions of a portable kennel with a volume of 7.4 ft3? use a graphing calculator to solve. round the dimensions to the nearest tenth.