Calculus, 9th edition
(a)
Sketch the region .
Graph the function on .
Shade the region.
Graph:
(b)
Estimate the area by using graph:
Observe the graph:
.
Area of the region is .
(c)
Find the area analytically:
Divide the rectangle into two regions.
Area of the rectangle , where is breadth and is height.
Area of the rectangle .
.
Area is .
(a) Graph:
(b) Area of the region is .
(c) Area is .
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