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Q. 44

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Found in: Page 113

### Precalculus Enhanced with Graphing Utilities

Book edition 6th
Author(s) Sullivan
Pages 1200 pages
ISBN 9780321795465

# Graph the function using the techniques of shifting, compressing, stretching, and/or reflecting. Start with the graph of the basic function and show all stages. Be sure to show at least three key points. Find the domain and the range of each function. Verify your results using a graphing utility.$h\left(x\right)=\sqrt{x+1}$

The graph of the function is given as:

The domain of the function is $\left[-1,\infty \right)$ and the range is $\left[0,\infty \right)$

See the step by step solution

## Step 1. Given information

The given function is $h\left(x\right)=\sqrt{x+1}$

## Step 2. Graph the parent function.

The parent function of the given function is $f\left(x\right)=\sqrt{x}$

So, the graph of $f\left(x\right)=\sqrt{x}$ is given as:

## Step 3. Graph the given function

We know that for,$y=f\left(x+k\right)$, the original graph is shifted to the left by $k$ units.

Similarly, for $h\left(x\right)=\sqrt{x+1}$, the graph $f\left(x\right)=\sqrt{x}$ is shifted to the left by 1 units .

The graph of the given function is given as:

## Step 4. Find the domain and range

From the graph, we infer that

The domain of the function is $\left[-1,\infty \right)$

The range of the function is localid="1645798371444" $\left[0,\infty \right)$$\left[0,\infty \right)$

## Step 5. Verify the graph

The graph of the given function using graphing utility is given as:

The graph is the same as we have drawn. Hence, it is correct.