Answer:
-1
Step-by-step explanation:
h(3) = 1
7
B
B because it is the farthest away from 0.
x^2 +x(7+3) +21
x^2 +7x + 3x +21
x(x+7) +3(x+7)
(x+7) (x+3)
10x5 1/2= 55 x 4= 220 so the answer is 220in3