In Exercises 1 and 2, find the vertex, and the y-intercept of the graph. 1.
2.
5
In Exercises 3-6, find (a) the axis of symmetry and (b) the vertex of the graph
of the function.
3. F(x) = 3x² - 6x
4. y = 5x2 + 3x
5. y = -7x2 + 14x + 1
6. f(x) = -4x2 + 20x + 15

Line l passes through points (0,4) and (3,6) what is the slope of a line that is parallel to line l -2/3 -3/2 2/3 3/2

Aschool puts on a play. the play costs $1,200 in expenses. the students charge $4.00 for tickets. there will be one performance of the play in an auditorium that seats 500 people. what is the domain of the function that shows the profit as a function of the number of tickets sold?  

2. explain in words how you plot the point (4, −2) in a rectangular coordinate system.