Suppose f(x)=x+2. Find the graph of f(1/3x)

Acable car begins its trip by moving up a hill. as it moves up, it gains elevation at a constant rate of 50 feet/minute until it reaches the peak at 2,000 feet. then, as the car moves down to the hill’s base, its elevation drops at the same rate.

Find the slope of the line y =8/9x + 1.

Find the value of tan theta if sin theta = 12/13 and theta is in quadrant 2