Identify the range of the function shown in the graph. 10
8
21
-10 -8 -6 -4
2
2
2
8 10
-8
-8
-10-
O A. -65x56
O B. yis all real numbers.
O c. O sys8
OD. y> 0

b

step-by-step explanation:

the height of the surface increases from the center out to the sides of the road

it is c!

isocolese triangle

we know that the line connect a and b is the hyptonuse

so first find the hypotonuse length using the distance formula, call the length c

since it is an isocolese triangle, the lengths of the legs are the same

using pythagorean theorem,

in this case, a=b since isocolese triangle so we get

or

we can find c so we can find the distances

we know that if we draw 2 circles, each has center at a and b, and find where they intersect, we can the 2 possible locations for c

if a has center at (xa,ya) and b has center at (xb,yb), then we can solve where

and

intersect to find where they intersect

i'm not going to put an example because i have to go to class. i hope this explanation is enough