The base of a right triangle is mts.
The radius of a circle is mts.
(a)
The area of triangle .
The area of sector .
The area of shaded region = area of triangle - area of sector.
The area of shaded region .
In the triangle,
.
Substitute the values in the function.
Domain of is .
(b)Graph the function .
Observe the graph:
Complete the table.
(c) Find .
As tends to from left hand side, the function approaches to ..
(a) Domain of , Domain: .
(b)
(c) .
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