Use the following graph for problems
4 and 5.
Which transformation or series of
transformations would result in the upper
triangle being mapped onto the lower
triangle?
O A. a 90° clockwise rotation about
the origin
OB. a translation 8 units down and
4 units to the left
OC. a reflection about the y-axis
followed by a translation 8 units
down
OD. a reflection about the x-axis
followed by a translation 10 units
to the left

[15 points]find the least common multiple of the expressions: 1. 3x^2, 6x - 18 2. 5x, 5x(x +2) 3. x^2 - 9, x + 3 4. x^2 - 3x - 10, x + 2 explain if possible

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)

Find the area of the triangle formed by the origin and the points of intersection of parabolas y=−3x^2+20 and y=x^2−16.