Is this in quadratic form x^4-6x^2-27=0

Which is the graph of f(x) = (4)x? image for option 1 image for option 2 image for option 3 image for option 4

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.

15 points! write the slope-intercept form of the equation of the line through the given point with the given slope. use y-y = m(x-x) to solve. through (2,5) slope= undefined