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Graphing and Tangents

A) Graph
b) Draw tangent to graph @ points where x coord. are -2, 0, and 1
c) f(x) by determining Limit h>0 f^'(x+h) - f(x) / h
d) f^' (-2), f^' (0), and f^' (1) (should meet slopes in part b)

f(x) = 1/2 x^2

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