Y = 2x + 9 + x
is this equation linear or nonlinear?

The letter tiles shown below are in a bag. whiteout looking i am going to draw one tile. what are my chances of drawing g?

Fred and gene are hang gliding. fred is 700 feet above the ground and descending at 15 ft/s. gene is decending as shown in the table. interpret the rates of change and initial values of the linear functions in terms of the situations they model. show all work. freds equation is f(x)=-15x+700. ( genes is the table attached)

The graph of f(x), shown below, has the same shape as the graph of g(x)=x^2,but is shifted up 2 unit. what is the new equation?