When x = 5, the value of the expression StartFraction 20 Over negative 25 plus x EndFraction–2(x – 10) is –21
–9
9
19

What point is the projection of q on a) r b) s c) t

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)

What is 10+10+20 about the origin the square root of a triangle.