The distance, d, in inches of a weight attached to a spring from its equilibrium as a function of time, t, in seconds can be
modeled by the graph below. which equation is represented in the graph below?

There were 816 people at a concert when a band started to play. after each song, only half the people stayed to hear the next song. how many people were left at the concert after x songs? write a function to represent this scenario.

What is 1/2 x (6 x 4)+3 + 2 show your work

Icould really use some with this question.