Pleasee pleaseee help me so I can not get in trouble because my grades

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?

Janet drove 300 miles in 4.5 hours. write an equation to find the rate at which she was traveling

Aculture started with 3000 bacteria. after 5 hours it grew to 3900 bacteria. predict how many bacteria will be present after 9 hours