PLz help btw it all in the question

Which graph corresponds to the function f(x) = x2 + 4x – 1?

Points a, b, and c form a triangle. complete the statements to prove that the sum of the interior angles of triangle abc is 180

The height of a flare fired from the deck of a ship in distress can be modeled by h(t)= -2(8t^2-52t-28), where h is the height of the flare above water and t is the time in seconds. a. find the time it takes the flare to hit the water.