Which greatest integer function matches the graph? A) f(x)= -[x]+1
B) f(x)= [x] +1
C) f(x)= [x]
D) f(x)= [x]-1

An arrow is shot vertically upward at a rate of 180ft/s. use the projectile formula h=−16t2+v0t to determine at what time(s), in seconds, the arrow is at a height of 420ft. round your answer(s) to the nearest tenth of a second.

Find the solution set of this inequality. enter your answer in interval notation using grouping symbols. |8x-4| ≤ 12

Ineed to know the answer to this algebra question.