Triangle ABC has vertices A(–2, –3), B(–5, –3), and C(–4, –2). The triangle is rotated 90° counterclockwise around the origin. What is the correct set of image points for triangle A’B’C’? A’(3, 2), B’(3, 5), C’(2, 4) A’(3, –2), B’(3, –5), C’(2, –4) A’(–3, –2), B’(–3, –5), C’(–2, –4) A’(–3, 2), B’(–3, 5), C’(–2, 4)

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)