Question

Determine if Function or Not Function 1. \( y=2 x+1 \) - Function 2. \( y=x^{2}-2 x+2 \) 3. \( x^{2}+y^{2}-1 \) 4. \( y=\sqrt{x+1} \) 5. \( y=\frac{2 x+1}{x-1} \)

          Determine if Function or Not Function
1. \( y=2 x+1 \) - Function
2. \( y=x^{2}-2 x+2 \)
3. \( x^{2}+y^{2}-1 \)
4. \( y=\sqrt{x+1} \)
5. \( y=\frac{2 x+1}{x-1} \)

Determine if Function or Not Function
1. y=2 x+1 - Function
2. y=x^2-2 x+2
3. x^2+y^2-1
4. y=√(x+1)
5. y=(2 x+1)/(x-1)

Added by Jammel G.

College Algebra with Modeling and Visualization

Gary K. Rockswold 4th Edition

Chapter 1

Instant Answer

Solved by Expert Oswaldo Jiménez

Step 1

\(y = 2x + 1\) is a linear equation, and for every value of \(x\), there is only one value of \(y\). So, it is a function. Show more…

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Question

Determine if Function or Not Function 1. \( y=2 x+1 \) - Function 2. \( y=x^{2}-2 x+2 \) 3. \( x^{2}+y^{2}-1 \) 4. \( y=\sqrt{x+1} \) 5. \( y=\frac{2 x+1}{x-1} \)

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