The set of ordered pairs below represents a relation that is a function. {(-2,8),(4,6), (10,4)}
Which point, when added to the set, would form a relation that is not a function?
A (4,2)
B (0,6)
© (-8,10)
(-6,8)

Can someone answer it, and plot it, for 20 points and brainliest answer? p.s. they're the same ! : )

The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 0 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)

Jason went to an arcade to play video games. he paid $2 for every 11 tokens he bought. he spent a total of $16 on tokens. which equation can be used to determine,t, the number lf tokens jason bought