Identify the domain of the graph of y = -x2 - 6x – 13. O All real numbers
O x _< -4
O X >_ -6
O x >_ -2

The function ƒ is defined by ƒ(x) = (x + 3)(x + 1). the graph of ƒ in the xy-plane is a parabola. which interval contains the x-coordinate of the vertex of the graph of ƒ?

How do i do this? i don’t understand

How many doughnuts are equal to 20 cookies.? 3 apples = 5 bananas6 cookies = 7 apples2 doughnuts = 1 banana