URGANT Rhoda pays for internet access each month. the graph shows the relationship between the total amount and she has paid and the amount of time, in months.

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)

Put the equation in slope intercept form by solving for y

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 9 + 12x + 4x^2