A man 1.72 m tall watches the top of the building AB from a distance of 48 m . The angle of elevation of the top of the building
from the man's eye is 30°. Then the height of the building is

Which quadratic function best fits this data? x y 1 32 2 78 3 178 4 326 5 390 6 337 a. y=11.41x2+154.42x−143.9 b. y=−11.41x2+154.42x−143.9 c. y=11.41x2+154.42x+143.9 d. y=−11.41x2+154.42x+143.9

Identify a1 and r for the geometric sequence an= -256(-1/4) n-1

What is a graph with a never ending line called?