In the diagram, what is the measure of angle 1 to the nearest degree?

33°
55°
75°
105°

When only separate discreet points are graphed it is called?

Solve this equation using substitution. {4x + y = −2} {4x + 6y = 44}

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)