Question

What are the domain and range of the function f of x is equal to the quantity x squared plus 6x plus 8 end quantity divided by the quantity x plus 4 end quantity?

Answer 1

The domain is all values of

x

that make the expression defined.

Interval Notation:

[

0

,

∞

)

Set-Builder Notation:

x

The range is the set of all valid

y

values. Use the graph to find the range.

Interval Notation:

[

0

,

∞

)

Set-Builder Notation:

y

≥

0

Determine the domain and range.

Domain:

[

0

,

∞

)

,

x

Range:

[

0

,

∞

)

,

y

Answer 2

The answer to this would be all values of x