Number of Gallons of Paint
Which of these best represents the rate of change of the maximum area painted with respect
to the number of gallons of paint used?

How many real and imaginary solutions does the equation x^2-3x=-2x-7 have?

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)

Factor the polynomial. b^2 + 4b + 4