HELP ME PLEASE THANKS if U DO

The graph shown below expresses a radical function that can be written in the form f(x)=a(x+k)1/n+c what does the graph tell you about the value of n in this function

An objects motion is described by the equation d= 4sin (pi t) what will the height of the object be at 1.75 seconds?

Which answer is the solution set to the inequality |x|< 9? a. x< -9 or x> 9 b. x> -9 and x< 9 c. x> -9 or x< 9 d. x< 9 and x< 9