Select the equation of the quadratic function that models the relationship between time and height for an object thrown into the air, as presented in the parabola above. Question 8 options: A) ƒ(x) = (x – 2)2 + 7 B) ƒ(x) = (x + 2)2 + 7 C) ƒ(x) = –(x + 2)2 + 7 D) ƒ(x) = –(x – 2)2 + 7

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)

Write the point-slope form of the line passing through (2, -12) and parallel to y=3x.

If you are dealt 4 cards from a shuffled deck of 52? cards, find the probability that all 4 cards are diamondsdiamonds.