XO 0
000
y-2 -1 0 1 -2
Which statement correctly explains whether or not the values in the table represent a function of x?
A. They represent a function because they contain the point (0,0).
B. They do not represent a function because they contain the point (0,0).
C. They represent a function because for each value of the input there is only one output value.
D. They do not represent a function because there is an input value with more than one output value.

Ineed to learn how to solve this problem

Find the smallest number by which the given number should be divided to make a perfect cube(with steps or the answer will get reported) a.108 b.2187

The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 a. at what time does the particle reverse direction? b. when is the displacement positive? (round one decimal place and answer in interval notation) c. when is the displacement negative? (round one decimal place and answer in interval notation) d. when is the particle’s acceleration positive? (round one decimal place and answer in interval notation) e. when is the particle’s acceleration negative? (round one decimal place and answer in interval notation)