A circular pizza that is 18 inches in diameter is cut into 7 equal slices. What is the area of a single slice?

Question 5 spring semester final exam math evaluate

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)

Lola says these two expressions have the same value. expression a expression b which explains whether lola is correct?