Exercises 2.7
Answers to selected odd-numbered problems begin on pa
Fundamentals
In Problems 1-6, sketch the graph of the function and the tan-
gent line at the given point. Find the slope of the secant line
through the points that correspond to the indicated values of x.
1. f(x) = -x2 + 9, (2, 5); x = 2, x = 2.5
(
2,5=
=