HELP PLS THIS IS DUE TODAY (I WILL BE MARKING BRAINLIEST)

If f(x)= sqrt4x+9+2, which inequality can be used to find the domain of f(x)?

An airplane is flying at an elevation of 5150 ft, directly above a straight highway. two motorists are driving cars on the highway on opposite sides of the plane, and the angle of depression to one car is 35 ̊ and to the other is 52 ̊. how far apart are the cars?

The graph below shows the line of best fit for data collected on the number of cell phones in cell phone cases sold at the local electronic store on four different days