GRE Subject Test: Math : Domain & Range

Study concepts, example questions & explanations for GRE Subject Test: Math

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Example Questions

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Example Question #11 : Domain & Range

What is the range of the function?

Possible Answers:

Correct answer:

Explanation:

Step 1: Find the minimum and maximum range for each equation..

Let's start with ..

I will plug in , I get . This is in my domain, which means it's the lowest value for the range. The maximum value is



Minimum range: 

Maximum range: 

Step 2: Write the solution in interval notation form:

 always get parentheses

 get brackets because they are in my range...

Answer:

 

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