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(1 point) Consider the graph of the function

`f(x)=\sqrt(x^(2)+4x)`

For the following question, enter your answers in the form

`(-2,3],(-I,0)\cup [1,2)`

, etc. using I for

`\infty `

or type 'empty' for

`(O)/()`

A. What is the domain of the function? B. What is the y-intercept of the graph?

`y=`

For the following 2 questions, enter all possible values, separated by commas. If there are none, type 'none'. c. What are the x-intercepts of the graph?

`x=`

D. At what values of

`x`

does the graph have a vertical asymptote?

`x=`

E. What is the equation of a slant asymptote with positive slope?

`y=`

Hint: If you would like to understand an expression of the form

`\sqrt(x^(2)+4x)-(mx+b)`

it helps to multiply by the expression

`(\sqrt(x^(2)+4x)+(mx+b))/(\sqrt(x^(2)+4x)+(mx+b))=1`

and then choose

`m`

and

`b`

so that there is a large amount of cancellation in the numerator. For the following 2 questions, enter your answers in the form

`(-2,3],(-I,0)\cup [1,2)`

, etc. using I for

`\infty `

or type 'empty' for

`(O)/()`

F. For what values of

`x`

is

`f`

decreasing? G. For what values of

`x`

is

`f`

concave up?