A music streaming service surveys a random sample of 254 of its members
about their favorite genre of music. Of the
members surveyed, 107 said that techno is
their favorite. The service has 734
members. Based on this information, what
is the most reasonable estimate of
members whose favorite type of music is
techno?

What are the solutions of the system? solve by graphing. y = -x^2 - 3x + 2 y = -2x + 2

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)

Ijust need these 2 questions answered (the second pic is just confirmation i'm not confident in that answer)