The length of a rectangle is 4x - 5 inches. The width of the rectangle is x + 1 inches. Find a quadratic function equation to model the area of the rectangle. Then evaluate the function for x = 2. AO Rx) = 4x² + 4x-si
12) - 19 square inches
BOR:) - 4rº - 5+1
(2) - 7 square inches
C. OR) - 4x²-x-si
12) - square inches
DOR:) - 4r +3-4
12) - 14 square inches

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)