Which graph represents a function that has the domain (-0, 4) U (4,3) U (3, ), has a y-intercept at (0, 3), and is increasing on the interval (0,4)?

What is the value of the discriminant of the quadratic equation -2x = -8x + 8 and what does its value mean about thenumber of real number solutions the equation has?

If the angle bisectors of a pair of opposite angles of a quadrilateral are the opposite sides of a parallelogram formed by the two angle bisectors and two sides of the quadrilateral, is the quadrilateral always a parallelogram? explain your answer.

Write a general formula to describe the variation: x varies directly with y