Item 2 question 1 identify the percent of change as an increase or a decrease. 75 people to 25 people

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?

What is the interquartile range of this data set? 2, 5, 9, 11, 18, 30, 42, 48, 55, 73, 81

Drag the tiles to the correct boxes to complete the pairs. label each function. as even , odd, or neither.