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0. We conclude that the curve takes on greater values on the entire interval (−1, 3).
3
3
3
2
13
2
2
2
To ﬁnd the area, we compute
2x − x − (−3) dx =
2x − x + 3 dx = x − x + 3x = 10
3
3
−1
−1
−1 Math 1110 (Fall 2011) HW5 Presentation Problems 2 Question 2. Let f be a function that is differentiable on [a, b]. In Chapter 2 of our text, we deﬁned
the average rate of change of f over [a, b] to be
f(b) − f(a)
b−a
and the instantaneous rate of change of f at x to be f (x). In Chapter 5, we deﬁned the average
value...
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 '06
 MARTIN,C.

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