The focus of a parabola is located at (0,-2). The directrix of the parabola is represented by y = 2.
Which equation represents the parabola?
O y2 = -2x
O x2 = -2y
O y2 = -8x
O x2 = -8y

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

Arefrigeration system at your company uses temperature sensors fixed to read celsius (°c) values, but the system operators in your control room understand only the fahrenheit scale. you have been asked to make a fahrenheit (°f) label for the high temperature alarm, which is set to ring whenever the system temperature rises above –10°c. what fahrenheit value should you write on the label?

Gravel is being dumped from a conveyor belt at a rate of 25 ft3/min, and its coarseness is such that it forms a pile in the shape of a cone whose base diameter and height are always equal. how fast is the height of the pile increasing when the pile is 14 ft high? (round your answer to two decimal places.) ft/min