55pts ! what is the domain of the function represented by this graph

answer:

step-by-step explanation:

it might b (@) hope it

answer:

all real number

step-by-step explanation:

because the line indicate that graph continue off   the visible grid ,so assume that all real number involved

it's functions surely be y =x^2 - 4

and range x > = 4

answer

d. 10

explanation

the distance from point y to wx is the height of the triangle.

using pythagoras theorem,

group similar terms to get,

this implies that,

take positive square root of both sides to get,

this implies that,