Identify the graphed linear equation. a) y = 4x + 1 b) y = 4x - 1 c) y = -4x + 1 d) y = -4x - 1

What is the perimeter of square abcd? units units 28 units 37 units

What is the slope of the line shown below?

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)