The figure below shows f(x) and its local linearization at x=a, y=5x−3. (The local linearization is shown in blue.)
http://imageshack.us/photo/my-images/13/ob50k849dw032549setassi.png/
What is the value of a? a=
What is the value of f(a)? f(a)=
Use the linearization to approximate the value of f(2.6). f(2.6)=
Is the approximation an under- or overestimate? (Enter under or over.)
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