Nena thinks that because 4< 6, it must also be true that 1/4< 1\6. explain to nena why this is incorrect

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

What is the difference between regular convex and concave polygons

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)