Which could NOT be the lengths of the sides of a triangle? A 8 in., 19 in., 15 in. A , 8 in., 19 in., 15 in. B 6 in., 3 in., 9 in. B, 6 in., 3 in., 9 in. C 4 in., 5 in., 6 in. C, 4 in., 5 in., 6 in. D 10 in., 8 in., 9 in.

1 number

if we use a graphing calculator, there is only one such number that satisfies the conclusion of the mean value theorem, that is, a number such that

where the right-hand side is the average rate of change of f on the interval [0.5,0.75], which is the slope of the secant line.

in the attached graph, the black line is the secant line which has its slope as the average rate of change of f on [0.5,0.75], while the orange line is the only tangent line to the graph of f in the interval that satisfies the mvt conclusion.

look at the picture i have filled out a table for it. hope this .