What is the multiplicity of each of the roots of the graph of f(x)=2x4+12x3+16x2−12x−18

Which of the following graphs represents the function f(x) = 2^x

Sophia wrote an equation to represent the revenue of a movie theater for one day. she let x represent the number of child tickets sold and y represents the nunver of adult tickets sold. if a child ticket cost $4, an adult ticket cost $6, and the total revenue for the daybwas $420, which equation could sophia use to represent the number of chikd and adult tickets that were sold?

This summer the number of tourists in salem increased 4.5% from last years total of 426000. how many more tourists came to salem this summer