Question

Help please!! a pex test!!

Answer 1

Answer:

the domain is -5 to infinity

Explanation:

f

(

x

)

=

√

x

+

5

A square root is

≥

0

so

x

+

5

≥

0

Here is a graph of the function

x

≥

−

5

g

r

a

p

h

{

√

x

+

5

[

−

10

,

10

,

−

5

,

5

]

}