3 In the following polynomial 5x4 – 6x? + 12x² – 5
a. Name it by degree and the number of
terms.
b. What is the leading coefficient
c. Write a Quadratic trinomial that has a
leading coefficient of -9 and a constant
term of 15.

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)

Jenny earned a 77 on her most recent test jenny score is no less then 5 points greater then 4/5 of terrance’s score if t represents terrance score which inequality represents the situation

What is the total surface area of the square pyramid