The recursive formula a2=18.5, an-1+1.5 models the number of people, in millions, that own a smartphone in the us, n years after 2014. write an equivalent explicit formula for the situation.

Phyllis and chen are saving money to go to a football game. each friend starts with some money and saves a specific amount each week. phyllis made a graph to show the total she has saved at the end of each week. chen wrote an equation to show the total, y, he has saved at the end of each week, x. y = 15x + 15 compare the amount that each friend has when both friends start saving. select the correct answer from the drop-down menu to complete the statement. phyllis starts with $ and chen starts with $

What value of x is in the solution set of 4x - 12 s 16 + 8x? -10 -9 -8 -7

Which of the following graphs could represent a cubic function?