For every function you need evaluate the function for every value in the domain D. And the collection of this values correspond to the range of the function.
1. 
2. 
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4. 
A≈173.82cm² that's the answer.
Gravity always acts downward on every object on earth. Gravity multiplied by the object's mass produces a force called weight. Although the force of an object's weight acts downward on every particle of the object, it is usually considered to act as a single force through its balance point, or center of gravity.
Answer:
5<4
Step-by-step explanation:
This inequality is not correct though.
5-7+7<-3+7
5<4