It is asking me to find the intersection point, The first question said one intersection point is clearly identifiable on the graph. what is it i answered (0,-1). The second question said find the other intersection point the answer must be exact. I don’t know how to do question 2, I’m really bad at factoring and quadratic systems... please help

G(x) 16g(x) = 2 sin(2x - π) + 4. using complete sentences, explain how to find the minimum value for the function.

The ratio of the measures of the three angles in a triangle is 2: 9: 4. find the measures of the angels

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)