Answer:
d = √[(a-c)^2 + (b-d)^2]
Step-by-step explanation:
h(x) = (x-11)(x+3)
= x^2 + 3 - 11x - 33
= x^2 - 11x -30
1/x=x+3/2x²
1=1+3/2x
2x=2x+3
2x-2x=3
Answer is D)x=3