y=-1/2(x+3)^2+4 Vertex: y-intercept: x- intercept(s): Axis of symmetry: Domain: Range: -- Please explain your work! and if you can, add a graph, but if not I understand! Thank you!

Guests at an amusement park must be at least 54 inches tall to be able to ride the roller coaster. which graph represents the set of heights that satisfy this requirement?

For which of the following counts would a binomial probability model not be reasonable? a)the number of people in a classroom born in januaryb) the number of people in a classroom with red hair c) the number of people admitted to a hospital in a day with a particular disease d) the number of heart beats in a one-minute perio.

Which value would be a solution for x in the inequality 47-4x< 7