The Difference Quotient f ( x+ h) f (x) x xthClick the Secant Line, Slope of Secant. and Values boxes. Set the xslider to the point x = 4.5 and the x + h-slider to 5. Complete parts 1 through 3 below. Use the interactive gure to nd your answer. Use the left and right arrow keys to move along a slider as needed. Click here to launch the interactive g Part 1: What is the slope m of the secant line when x=4_5 and h = 0.5? m