Answer:
D
Step-by-step explanation:
we need a picture of the graph
Answer: (x−3)(x+7)
=(x+−3)(x+7)
=(x)(x)+(x)(7)+(−3)(x)+(−3)(7)
=x^2+7x−3x−21
=x^2+4x−21
a
Answer is 68
y + 4 = 72
y = 68
