The augmented matrix below represents a system of equations. PH
2
7
-3
4
1
1
2
7
Which matrix results from the operation R1 R2?
2
7
2
7
1
1
1
7

The table represents a function. what is f(-2)? a.-3 b. -1 c.1 d.3

If you could answer these your a life saver

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)