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| PAGE: 20 | SET: Exercises | PROBLEM: 15 |
Domain and range of each function :
(a).
In the graph 
-axis indicates all temperatures from 
C to 
C.
-axis indicates the impact energy(J).
Observe the arrow of Copper function.
It is a constant function.
Domain of the function in interval notation 
.
The range in interval notation 
.
Observe the arrow of Aluminum function.
Domain of the function in interval notation 
.
The range in interval notation 
.
Observe the arrow of Zinc function.
Domain of the function in interval notation .
The range in interval notation 
.
Observe the arrow of Steel function.
Domain of the function in interval notation .
The range in interval notation 
.
(b).
Impact energy of each metal at 
C:
Observe the graph:
The impact energy of Copper metal at 
C is 
J.
The impact energy of Aluminum metal at C is 
J.
The impact energy of Zinc metal at C is 
J.
The impact energy of Steel metal at C is 
J.
(a). Domain of the four functions is .
Range: Copper 
, Aluminium 
, Zinc 
and Steel 
.
(b). Impact energy of each metal at C.
Copper
J, Aluminium 
J, Zinc 
J and Steel
J.
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