Consider the steps for solving 3x^2 - 42x 9 = -5 step 1: 3x^2 - 42x = -14 step 2: 3(x^2-14x) = -14 step 3: 3(x^2- 14x 49) = -14 number should be added to the right side of the equation?

What expression is equivalent to 1/2(2+3x-6)

15/16 as a decimal rounded to the nearest hundredth

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)