Use the graph below of fx to estimate the value of f 2 to on

Use the graph below of f(x) to estimate the value of f \'(2) to one decimal place.

f \'(2) = ____?

Solution

Ans: -0.5

I got this answer by visualizing that a tangent line at the point where x=2 looks like it would connect the two points (0,4) and (4,2).

The slope of a line that connects those two points would be -1/2.