please answer the following and show working step by step.

Jason Achamp x The Pickle Pre X My Pitt | All C X Course Mod x Week 3: Slider X LON-CAPA ay X & Book flight tic X -7 C homework2.math.pitt.edu/res/pitt/athanas/avgchange-2.problem#21 f(x) = sqrt(8 x - 12.8) 2.5 2 1.5 F (x ) 1. 8 2 2. 2 2.4 2. Note that the slope of the secant line connecting any point on the curve of f(x) and the point (2.1, 2) is / 8 (2.1 + h) - 12.8 - 2 secant slope = where h is the difference between xo = 2.1 and x = 2.1 + h. For the given points that are shown in the graph, determine h and the slope of the secant line connecting (2.1, 2) with (2.1 + h, (2.1 + h) ). * = 1.6 h = slope of secant line =