What is the domain and range of the relation shown in the table?
2 answers:
Answer:
The correct option is 1.
Step-by-step explanation:
The set of input values is called domain and the set of output values is called range. In other words the set of x values is called domain and the set of y values is range.
From the given table it is clear that the set of x values with distinct elements is {-1,0,4}, therefore the domain of the relation is
The set of y values with distinct elements is {2,3,4,7}, therefore the range of the relation is
Therefore the correct option is 1.
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Given: ∠JNL and ∠MNK are vertical angles and m∠MNK=90°
Prove: ∠JNL is a right angle.
Statements Reasons
1. ∠JNL and ∠MNK are vertical angles. Given
2. Vertical angle theorem
3. Angle congruence postulate
4. Given
5. <u> Substitution Property of Equality</u>
Since, the measures of angle JNL and MNK are equal and the measure of angle MNK is 90 degrees. therefore, by substitution property of equality, both the angles JNL and MNK will have an equal measure.
Therefore,
6. ∠JNL is a right angle. Definition of right angle