angle EPF = angle DPG
=> 4x + 48deg = 7x
=> 3x = 48 deg
=> x = 16
=> angle EPF = 4(16) +48 = 112deg
Hi,
Part A:

Part B;
Vertex is (3,7)
As the coefficient of n² is positive , the vertex is a minimum.
Part C:
Axis of symmetry is n=3
Answer:
False.
Step-by-step explanation:
Because 12 and 9 are both multiples of 3.