Answer
$-14$
Work Step by Step
According to Rule (1) in Table 5.4 : $\int_{3}^{1} 7dx=-\int_{1}^{3} 7dx$
Because $1\lt3$, by Equation (3): $-\int_{1}^{3} 7dx=-7\cdot(3-1)=-7\cdot2=-14$
University Calculus: Early Transcendentals (3rd Edition)
by Hass, Joel R.; Weir, Maurice D.; Thomas Jr., George B.
Published by
Pearson
ISBN 10:
0321999584
ISBN 13:
978-0-32199-958-0
Chapter 5 - Section 5.3 - The Definite Integral - Exercises - Page 309: 41
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