Question: For the function f graphed in Exercise 18: (a) Estimate the value of f(50). (b) Is f(10). f(30)? (c) Is f(60) > f(80) - f(40)/80

For the function f graphed in Exercise 18:

(a) Estimate the value of f′(50).

(b) Is f′(10). f′(30)?

(c) Is f′(60) > f(80) - f(40)/80 - 40? Explain.


Exercise 18:

The graph of a function f is shown.

f(40) – f(10) 40 – 10


what does this value represent geometrically?

y 800 400 0 20 40 60 х

f(40) f(10) 40 10 y 800 400 0 20 40 60

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