Precalculus 2014
15

Step-by-step Answer
 PAGE: 20 SET: Exercises PROBLEM: 15
Please look in your text book for this problem Statement

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.

CopperJ, Aluminium J, Zinc J and Steel J.

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